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Airport · 12 months to July 2026

Chicago O'Hare International: delays and on-time record

Chicago, Illinois

71.4%departed on time

BTS: A flight is counted as on time if it arrived less than 15 minutes after its scheduled time. Only carriers with at least 0.5 percent of domestic scheduled passenger revenue report. Data through July 2026; this is a monthly history, not live airport status.

Chicago O'Hare International (ORD) in Chicago, Illinois had 359,911 scheduled domestic departures by reporting carriers in the 12 months to July 2026, about 986 a day, on 193 routes.

71.4% of those flights left the gate less than 15 minutes late, 4.7 points below the national departure figure of 76.1%. Flights arriving at ORD were on time 71.2% of the time, 4.8 points below the national arrival figure of 76.0%.

2.8% of scheduled departures were cancelled (national: 1.8%), and the average departure delay, counting early and on-time departures as zero, was 22.3 min.

United Airlines is the largest reporting carrier at ORD with 28% of departures. Among carriers with at least 3,599 departures, Envoy Air had the highest on-time arrival share for its ORD departures (74.8%) and Spirit Airlines the lowest (61.8%).

On-time departures are down 5.6 points on the previous 12 months (77.0%).

Of the delay minutes that carriers assigned to a BTS cause category for flights leaving ORD, late-arriving aircraft 41%, air carrier 28% and national aviation system 21%.

71.4%departures on timenational 76.1%

71.2%arrivals on timenational 76.0%

2.8%departures cancellednational 1.8%

986scheduled departures a day359,911 in 12 months

On time 69.4%
Arrived 15+ minutes late 27.5%
Cancelled 2.8%
Diverted 0.3%

What happened to every scheduled departure from ORD, judged by arrival at the destination, August 2025 to July 2026.

As origin and as destination, against the nation

Measure	Departures from ORD	Arrivals at ORD	All reported flights	ORD departures, previous 12 months
Departed on time (less than 15 min late)	71.4%	76.2%	76.1%	77.0%
Arrived on time	69.4%	71.2%	76.0%	75.4%
Cancelled	2.8%	2.9%	1.8%	1.0%
Diverted	0.3%	0.5%	0.3%	0.3%
Average departure delay (late minutes only)	22.3 min	22.1 min	17.4 min	17.3 min
Arrival delay minutes per 100 flights	2,252	2,373	1,684	1,753
Scheduled flights	359,911	359,867	7,043,858	301,143

12 months to July 2026. The first column follows flights that left ORD; the second follows flights that landed there. Year on year, on-time departures moved −5.6 pts.

Airlines at ORD

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	100,681	28%	72.6%	12.0 min	1.4%
OO SkyWest Airlines	78,162	22%	63.6%	23.1 min	4.1%
AA American Airlines	60,898	17%	65.1%	19.9 min	2.6%
MQ Envoy Air	57,363	16%	74.8%	5.7 min	2.9%
YX Republic Airline	32,790	9%	73.7%	7.7 min	3.8%
DL Delta Air Lines	10,620	3%	70.9%	15.1 min	3.0%
F9 Frontier Airlines	4,176	1%	65.5%	26.2 min	3.7%
NK Spirit Airlines	4,062	1%	61.8%	21.9 min	5.3%
WN Southwest Airlines	3,547	1%	70.3%	13.7 min	1.3%
AS Alaska Airlines	3,307	1%	67.2%	13.5 min	1.8%
OH PSA Airlines	3,113	1%	56.3%	46.0 min	6.8%
B6 JetBlue Airways	1,192	0%	72.7%	10.8 min	5.2%

Departures from ORD by reporting carrier, ordered by flights; on time means the flight reached its destination less than 15 minutes late. Green is at or above the airport's overall share of 69.4%. Carriers fly different routes at different hours, so the rows are not a like-for-like test.

Busiest routes from ORD

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ORD–LGA	Chicago to New York	11,611	63.5%	19.6 min	5.1%
ORD–BOS	Chicago to Boston	7,755	65.6%	18.3 min	3.0%
ORD–DCA	Chicago to Washington	7,042	67.5%	17.5 min	3.0%
ORD–LAX	Chicago to Los Angeles	7,023	71.9%	12.5 min	1.4%
ORD–DFW	Chicago to Dallas/Fort Worth	6,997	67.8%	17.2 min	2.9%
ORD–ATL	Chicago to Atlanta	6,442	73.4%	11.2 min	2.3%
ORD–MSP	Chicago to Minneapolis	6,344	68.3%	17.8 min	2.6%
ORD–MCO	Chicago to Orlando	6,272	71.4%	12.8 min	1.6%
ORD–DEN	Chicago to Denver	6,138	73.9%	11.4 min	1.2%
ORD–IAH	Chicago to Houston	6,114	74.8%	7.2 min	1.5%
ORD–EWR	Chicago to Newark	6,071	67.3%	18.1 min	3.5%
ORD–DTW	Chicago to Detroit	5,953	69.5%	16.7 min	3.2%
ORD–SFO	Chicago to San Francisco	5,616	66.6%	17.4 min	1.3%
ORD–PHX	Chicago to Phoenix	5,586	71.5%	13.6 min	1.8%
ORD–SEA	Chicago to Seattle	5,558	67.1%	14.3 min	1.5%
ORD–MKE	Chicago to Milwaukee	5,268	61.6%	26.3 min	4.9%
ORD–IND	Chicago to Indianapolis	5,262	72.0%	12.7 min	3.9%
ORD–LAS	Chicago to Las Vegas	5,241	72.8%	10.9 min	1.4%
ORD–BNA	Chicago to Nashville	5,026	68.2%	18.0 min	2.5%
ORD–PHL	Chicago to Philadelphia	5,008	69.5%	18.5 min	3.2%
ORD–CMH	Chicago to Columbus	4,933	72.5%	11.4 min	2.8%
ORD–CLE	Chicago to Cleveland	4,867	69.0%	16.0 min	3.1%
ORD–CVG	Chicago to Cincinnati	4,672	71.0%	13.4 min	3.2%
ORD–MIA	Chicago to Miami	4,452	72.4%	10.4 min	2.0%
ORD–CLT	Chicago to Charlotte	4,393	72.2%	12.4 min	2.4%
ORD–MCI	Chicago to Kansas City	4,197	70.1%	14.4 min	2.6%
ORD–MSN	Chicago to Madison	4,103	69.2%	16.1 min	3.8%
ORD–GRR	Chicago to Grand Rapids	4,029	68.0%	17.3 min	3.1%
ORD–PIT	Chicago to Pittsburgh	4,000	73.1%	12.3 min	2.3%
ORD–SAN	Chicago to San Diego	3,870	70.6%	10.7 min	1.2%
ORD–RDU	Chicago to Raleigh/Durham	3,656	71.8%	14.4 min	2.5%
ORD–FLL	Chicago to Fort Lauderdale	3,464	70.4%	14.2 min	2.1%
ORD–DSM	Chicago to Des Moines	3,413	68.5%	15.5 min	3.8%
ORD–RSW	Chicago to Fort Myers	3,238	74.6%	7.6 min	1.6%
ORD–SLC	Chicago to Salt Lake City	3,204	68.7%	18.9 min	1.4%
ORD–TPA	Chicago to Tampa	3,203	72.1%	14.0 min	1.5%
ORD–AUS	Chicago to Austin	3,174	71.3%	12.1 min	2.0%
ORD–STL	Chicago to St. Louis	3,090	69.8%	14.2 min	2.9%
ORD–OMA	Chicago to Omaha	3,060	68.6%	13.4 min	2.5%
ORD–PDX	Chicago to Portland	2,805	68.3%	14.7 min	0.8%
ORD–SDF	Chicago to Louisville	2,793	73.6%	8.0 min	3.6%
ORD–TVC	Chicago to Traverse City	2,770	64.6%	23.7 min	4.8%
ORD–FWA	Chicago to Fort Wayne	2,765	61.3%	23.0 min	4.6%
ORD–CID	Chicago to Cedar Rapids/Iowa City	2,755	66.0%	21.8 min	3.7%
ORD–SBN	Chicago to South Bend	2,737	60.9%	25.8 min	4.5%
ORD–GRB	Chicago to Green Bay	2,698	67.3%	16.8 min	4.4%
ORD–BWI	Chicago to Baltimore	2,691	70.5%	12.6 min	2.6%
ORD–OKC	Chicago to Oklahoma City	2,617	67.7%	16.7 min	3.2%
ORD–MEM	Chicago to Memphis	2,504	70.1%	11.4 min	3.4%
ORD–ATW	Chicago to Appleton	2,429	67.3%	17.3 min	4.8%
ORD–MSY	Chicago to New Orleans	2,403	73.3%	8.7 min	2.3%
ORD–BDL	Chicago to Hartford	2,366	73.5%	9.8 min	2.5%
ORD–ROC	Chicago to Rochester	2,336	72.1%	10.3 min	2.4%
ORD–ALB	Chicago to Albany	2,322	73.9%	7.8 min	2.6%
ORD–PIA	Chicago to Peoria	2,283	67.5%	13.2 min	4.6%
ORD–MLI	Chicago to Moline	2,264	65.8%	16.5 min	5.1%
ORD–RIC	Chicago to Richmond	2,223	69.4%	15.1 min	2.9%
ORD–BUF	Chicago to Buffalo	2,198	68.7%	16.2 min	3.1%
ORD–SYR	Chicago to Syracuse	2,196	72.7%	12.3 min	2.7%
ORD–ICT	Chicago to Wichita	2,189	65.0%	18.4 min	2.6%
ORD–SNA	Chicago to Santa Ana	2,189	73.7%	5.9 min	1.1%
ORD–TYS	Chicago to Knoxville	2,188	64.7%	26.2 min	3.7%
ORD–MDT	Chicago to Harrisburg	2,131	71.0%	12.1 min	3.3%
ORD–TUL	Chicago to Tulsa	2,129	72.2%	9.4 min	2.5%
ORD–JAX	Chicago to Jacksonville	2,116	72.7%	12.7 min	1.4%
ORD–CHS	Chicago to Charleston	2,106	74.9%	6.3 min	2.0%
ORD–IAD	Chicago to Washington	2,082	75.3%	12.6 min	0.8%
ORD–JFK	Chicago to New York	2,073	69.9%	14.2 min	4.6%
ORD–FAR	Chicago to Fargo	2,052	67.8%	15.8 min	3.2%
ORD–CAK	Chicago to Akron	2,028	61.3%	27.8 min	5.6%
ORD–SAT	Chicago to San Antonio	1,977	72.4%	8.8 min	2.0%
ORD–COU	Chicago to Columbia	1,976	68.4%	15.0 min	3.7%
ORD–FNT	Chicago to Flint	1,918	62.1%	29.2 min	4.3%
ORD–ORF	Chicago to Norfolk	1,897	70.4%	10.9 min	2.8%
ORD–XNA	Chicago to Fayetteville	1,840	74.4%	5.1 min	2.2%
ORD–GSP	Chicago to Greer	1,815	71.0%	10.8 min	4.0%
ORD–FSD	Chicago to Sioux Falls	1,799	61.9%	24.8 min	3.5%
ORD–DAY	Chicago to Dayton	1,784	63.2%	33.4 min	4.9%
ORD–LEX	Chicago to Lexington	1,709	68.3%	20.0 min	3.2%
ORD–PVD	Chicago to Providence	1,686	67.0%	15.8 min	3.4%
ORD–LNK	Chicago to Lincoln	1,586	60.3%	28.0 min	3.4%
ORD–GSO	Chicago to Greensboro/High Point	1,564	75.6%	5.3 min	3.0%
ORD–SAV	Chicago to Savannah	1,564	76.0%	8.6 min	1.9%
ORD–HPN	Chicago to White Plains	1,530	74.2%	6.6 min	3.9%
ORD–PWM	Chicago to Portland	1,494	72.6%	9.8 min	2.6%
ORD–AVL	Chicago to Asheville	1,476	72.9%	8.1 min	2.4%
ORD–SGF	Chicago to Springfield	1,466	73.5%	6.8 min	2.9%
ORD–LIT	Chicago to Little Rock	1,459	73.2%	8.4 min	2.7%
ORD–SJU	Chicago to San Juan	1,398	71.9%	10.3 min	2.3%
ORD–SMF	Chicago to Sacramento	1,342	66.4%	15.0 min	1.6%
ORD–PBI	Chicago to West Palm Beach/Palm Beach	1,329	68.8%	15.9 min	1.5%
ORD–BZN	Chicago to Bozeman	1,268	68.1%	15.3 min	0.8%
ORD–BTV	Chicago to Burlington	1,248	68.0%	17.6 min	2.0%
ORD–DLH	Chicago to Duluth	1,223	61.8%	22.3 min	4.4%
ORD–CHO	Chicago to Charlottesville	1,215	63.3%	23.0 min	4.2%
ORD–ABQ	Chicago to Albuquerque	1,148	71.2%	10.0 min	1.4%
ORD–ASE	Chicago to Aspen	1,134	56.1%	31.7 min	3.0%
ORD–BHM	Chicago to Birmingham	1,116	76.8%	4.0 min	1.9%
ORD–BOI	Chicago to Boise	1,108	68.6%	14.0 min	1.5%
ORD–HSV	Chicago to Huntsville	1,101	63.5%	26.3 min	3.7%
ORD–CMI	Chicago to Champaign/Urbana	1,066	69.9%	9.4 min	3.7%
ORD–RST	Chicago to Rochester	1,057	61.8%	26.5 min	4.8%
ORD–LSE	Chicago to La Crosse	1,051	72.1%	7.0 min	4.6%
ORD–TUS	Chicago to Tucson	1,042	68.5%	15.3 min	1.6%
ORD–MBS	Chicago to Saginaw/Bay City/Midland	1,006	63.1%	25.1 min	3.4%
ORD–CWA	Chicago to Mosinee	1,004	72.5%	7.5 min	4.1%
ORD–COS	Chicago to Colorado Springs	1,001	69.6%	14.0 min	2.3%
ORD–SRQ	Chicago to Sarasota/Bradenton	998	76.6%	6.8 min	1.2%
ORD–AZO	Chicago to Kalamazoo	964	71.4%	10.3 min	4.6%
ORD–CHA	Chicago to Chattanooga	956	65.9%	15.4 min	5.0%
ORD–CRW	Chicago to Charleston/Dunbar	948	59.3%	26.8 min	3.4%
ORD–ROA	Chicago to Roanoke	883	66.3%	13.8 min	4.1%
ORD–BMI	Chicago to Bloomington/Normal	879	74.7%	5.8 min	3.6%
ORD–AVP	Chicago to Scranton/Wilkes-Barre	843	71.6%	10.6 min	2.5%
ORD–JAC	Chicago to Jackson	819	68.0%	21.5 min	1.2%
ORD–CMX	Chicago to Hancock/Houghton	792	63.3%	33.5 min	6.6%
ORD–PSP	Chicago to Palm Springs	787	67.9%	16.2 min	2.3%
ORD–ANC	Chicago to Anchorage	785	72.1%	8.7 min	0.8%
ORD–EYW	Chicago to Key West	775	79.1%	-0.3 min	1.4%
ORD–LAN	Chicago to Lansing	748	72.7%	9.7 min	2.9%
ORD–MQT	Chicago to Marquette	744	70.2%	19.4 min	5.0%
ORD–PNS	Chicago to Pensacola	727	78.1%	4.5 min	1.8%
ORD–ELP	Chicago to El Paso	724	70.4%	8.7 min	2.2%
ORD–GEG	Chicago to Spokane	714	63.7%	19.6 min	1.5%
ORD–SPI	Chicago to Springfield	708	72.6%	11.6 min	3.2%
ORD–EVV	Chicago to Evansville	699	71.1%	12.1 min	4.3%
ORD–BGR	Chicago to Bangor	697	75.6%	10.4 min	1.7%
ORD–RAP	Chicago to Rapid City	692	76.6%	3.5 min	2.2%
ORD–ALO	Chicago to Waterloo	656	70.1%	14.2 min	4.1%
ORD–DEC	Chicago to Decatur	627	66.3%	19.3 min	4.3%
ORD–MCW	Chicago to Mason City	627	66.3%	13.3 min	6.2%
ORD–EAU	Chicago to Eau Claire	626	64.4%	25.5 min	5.3%
ORD–ECP	Chicago to Panama City	619	80.6%	0.5 min	1.3%
ORD–MHT	Chicago to Manchester	602	81.7%	-4.1 min	2.0%
ORD–MHK	Chicago to Manhattan/Ft. Riley	572	65.0%	26.4 min	4.0%
ORD–FOD	Chicago to Fort Dodge	571	70.1%	10.8 min	4.6%
ORD–LAF	Chicago to Lafayette	567	65.3%	28.7 min	4.1%
ORD–SCE	Chicago to State College	550	67.8%	15.0 min	2.0%
ORD–ILM	Chicago to Wilmington	542	82.1%	0.2 min	1.5%
ORD–HNL	Chicago to Honolulu	540	71.5%	10.4 min	0.2%
ORD–FCA	Chicago to Kalispell	532	73.7%	8.8 min	1.5%
ORD–CAE	Chicago to Columbia	514	67.3%	13.5 min	3.3%
ORD–MSO	Chicago to Missoula	499	78.8%	2.0 min	0.4%
ORD–MYR	Chicago to Myrtle Beach	495	79.4%	3.3 min	0.6%
ORD–ABE	Chicago to Allentown/Bethlehem/Easton	454	66.1%	17.5 min	3.7%
ORD–DAL	Chicago to Dallas	450	72.2%	12.6 min	1.3%
ORD–EGE	Chicago to Eagle	413	54.7%	32.2 min	3.6%
ORD–SUX	Chicago to Sioux City	365	57.8%	37.0 min	4.9%
ORD–JLN	Chicago to Joplin	365	66.8%	22.5 min	2.7%
ORD–RNO	Chicago to Reno	363	62.5%	24.6 min	1.7%
ORD–JST	Chicago to Johnstown	362	58.6%	59.7 min	5.8%
ORD–SLN	Chicago to Salina	362	56.9%	38.2 min	3.6%
ORD–MGW	Chicago to Morgantown	330	61.8%	31.5 min	6.1%
ORD–VPS	Chicago to Valparaiso	318	78.9%	1.3 min	0.6%
ORD–BIL	Chicago to Billings	316	87.7%	-4.9 min	0.3%
ORD–SJC	Chicago to San Jose	301	67.4%	15.2 min	1.7%
ORD–ONT	Chicago to Ontario	290	60.3%	25.6 min	1.4%
ORD–SUN	Chicago to Sun Valley/Hailey/Ketchum	282	58.2%	23.8 min	1.8%
ORD–BIS	Chicago to Bismarck/Mandan	274	86.5%	-6.1 min	0.0%
ORD–STT	Chicago to Charlotte Amalie	255	69.0%	11.6 min	1.2%
ORD–PLN	Chicago to Pellston	216	66.2%	20.5 min	4.2%
ORD–HHH	Chicago to Hilton Head	214	80.4%	-2.1 min	0.9%
ORD–FAT	Chicago to Fresno	196	50.5%	28.1 min	2.0%
ORD–HDN	Chicago to Hayden	179	63.1%	17.6 min	0.6%
ORD–SHD	Chicago to Staunton	179	47.5%	54.7 min	5.6%
ORD–IDA	Chicago to Idaho Falls	170	57.1%	19.0 min	0.6%
ORD–PAH	Chicago to Paducah	159	65.4%	28.3 min	0.0%
ORD–RHI	Chicago to Rhinelander	152	75.0%	4.9 min	4.6%
ORD–MTJ	Chicago to Montrose/Delta	151	71.5%	13.6 min	1.3%
ORD–FAI	Chicago to Fairbanks	148	70.9%	11.2 min	1.4%
ORD–LWB	Chicago to Lewisburg	140	62.1%	56.2 min	5.0%
ORD–OGG	Chicago to Kahului	138	72.5%	18.6 min	0.7%
ORD–LYH	Chicago to Lynchburg	130	61.5%	30.0 min	2.3%

The 173 busiest of 193 routes with reported flights. Routes with at least 10 flights a month have their own page.

Month by month

100%columns start at 40%

Share of scheduled departures from ORD that left less than 15 minutes late, Aug 2023 to Jul 2026. Green columns are at or above the national figure for that month (the dark tick), amber below it, red more than eight points below.

By scheduled departure hour

On-time share:under 62%6270768288% and over

Share of departures that left less than 15 minutes late, by scheduled hour (local time at ORD), 12 months to July 2026.

Among hours with at least 7,198 departures, 6 am to 7 am had the highest on-time share (87.1% of 12,581 flights) and 8 pm to 9 pm the lowest (58.5% of 20,848).

Delay causes

BTS cause category	Share of delay minutes	National	Minutes
Air carrier	28.3%	33.3%	2,192,974
Late-arriving aircraft	41.3%	39.7%	3,197,271
National Aviation System	20.5%	20.7%	1,587,522
Extreme weather	9.9%	6.1%	768,307
Security	0.1%	0.1%	4,254

7,750,328 delay minutes on 99,072 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Cancellations by reported reason (10,154 in the period): air carrier 7%, weather 74%, national aviation system 20%, security 0%.

Checkpoint volumes

TSA publishes daily checkpoint passenger counts for the country as a whole, not for ORD on its own. The national series through September 2026 is on the checkpoint volumes page.

Questions and answers

How often do flights leave ORD on time?

71.4% of the 359,911 scheduled domestic departures in the 12 months to July 2026 left less than 15 minutes late; the national figure was 76.1%. 2.8% were cancelled.

How often do flights arrive at ORD on time?

71.2% of 359,867 scheduled arrivals were on time by the BTS definition, against 76.0% nationally.

Which airline has the highest on-time share at ORD?

Counting departures from ORD and whether they reached their destination on time, Envoy Air had the highest share (74.8% of 57,363 flights), then Republic Airline (73.7%) and United Airlines (72.6%). Carriers fly different routes at different hours, so the figures are not a like-for-like test.

What causes delays at ORD?

For departures from ORD that reached their destination 15 or more minutes late, carriers attributed the delay minutes as follows: late-arriving aircraft 41%, air carrier 28%, national aviation system 21%, extreme weather 10%, security 0%.

What time of day has the highest on-time share at ORD?

Departures scheduled from 6 am to 7 am local time left on time 87.1% of the time, the highest of any hour with enough flights to compare; 8 pm to 9 pm was lowest at 58.5%.

Is it getting better?

On-time departures for the 12 months to July 2026 were 71.4%, down 5.6 points on the previous 12 months (77.0%). The monthly chart shows each of the last 36 months, and each month has its own page.

Does this page show today's delays at ORD?

No. BTS publishes on-time records about two months after the month ends, so this page is a monthly history through July 2026. For live conditions use the FAA airport status service or your airline.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987 to present), monthly files August 2023 to July 2026; airport name from the BTS airport lookup table. US government works in the public domain. Domestic scheduled flights by reporting carriers only: international flights, charters and smaller carriers are not in the source. Totals and averages only; no individual flight or aircraft is identified. See the methodology; report processing errors through corrections.