Chicago O'Hare International in November 2024

84.9%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.

In November 2024, reporting carriers scheduled 22,435 domestic departures from Chicago O'Hare International (ORD). 84.9% left less than 15 minutes late and 82.6% reached their destination on time; 0.3% were cancelled.

Nationally that month, 85.2% of flights departed on time and 84.8% arrived on time, so ORD departures were level with the national departure figure.

A year earlier, in November 2023, the airport had 20,354 departures with 86.2% leaving on time: a change of −1.3 points, with flights up 10%.

Flights arriving at ORD that month were on time 84.1% of the time (22,445 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 34%, late-arriving aircraft 33% and national aviation system 26%.

On time 82.6%
Arrived 15+ minutes late 17.0%
Cancelled 0.3%
Diverted 0.1%

Every scheduled departure from ORD in November 2024, judged by arrival at the destination.

November 2024 against a year earlier, the airport's year and the nation

Measure	Nov 2024	Nov 2023	ORD, 12 months to Jul 2026	All reported flights, Nov 2024
Departed on time	84.9%	86.2%	71.4%	85.2%
Arrived on time	82.6%	85.4%	69.4%	84.8%
Cancelled	0.3%	0.1%	2.8%	0.5%
Average departure delay (late minutes only)	11.0 min	9.5 min	22.3 min	10.2 min
Scheduled departures a day	748	679	986	19,180
Scheduled departures	22,435	20,354	359,911	575,404

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
UA United Airlines	7,165	32%	83.7%	1.5 min	0.1%
OO SkyWest Airlines	4,190	19%	77.0%	9.6 min	0.8%
AA American Airlines	3,687	16%	81.0%	5.9 min	0.2%
MQ Envoy Air	2,778	12%	84.4%	0.2 min	0.5%
YX Republic Airline	2,023	9%	88.3%	-2.0 min	0.1%
DL Delta Air Lines	983	4%	89.0%	-6.1 min	0.0%
NK Spirit Airlines	593	3%	81.8%	0.9 min	0.0%
WN Southwest Airlines	404	2%	87.4%	-3.6 min	0.2%
F9 Frontier Airlines	304	1%	75.7%	3.4 min	1.0%
AS Alaska Airlines	210	1%	79.5%	3.8 min	0.0%
B6 JetBlue Airways	95	0%	87.4%	-1.2 min	0.0%
9E Endeavor Air	3	0%	66.7%	12.0 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
ORD–LGA	Chicago to New York	906	85.1%	1.6 min	0.0%
ORD–BOS	Chicago to Boston	580	84.1%	0.7 min	0.0%
ORD–DFW	Chicago to Dallas/Fort Worth	564	81.4%	7.6 min	0.7%
ORD–EWR	Chicago to Newark	552	68.5%	14.2 min	0.0%
ORD–DEN	Chicago to Denver	534	82.4%	2.4 min	0.7%
ORD–LAX	Chicago to Los Angeles	532	83.1%	-1.2 min	0.4%
ORD–DCA	Chicago to Washington	527	86.1%	1.3 min	0.2%
ORD–MSP	Chicago to Minneapolis	493	86.6%	-1.3 min	0.0%
ORD–ATL	Chicago to Atlanta	474	88.2%	-0.6 min	0.0%
ORD–DTW	Chicago to Detroit	458	88.0%	-3.9 min	0.4%
ORD–IAH	Chicago to Houston	455	83.5%	1.3 min	0.0%
ORD–PHX	Chicago to Phoenix	439	81.3%	3.4 min	0.0%

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), November 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2024	Minutes
Air carrier	34.1%	36.9%	84,746
Late-arriving aircraft	32.6%	35.6%	81,085
National Aviation System	25.7%	21.9%	63,927
Extreme weather	7.4%	5.4%	18,478
Security	0.0%	0.2%	116

248,352 delay minutes on 3,806 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.

Questions and answers

How many flights left ORD on time in November 2024?

84.9% of 22,435 scheduled domestic departures left less than 15 minutes late, and 82.6% reached their destination on time. The national figures that month were 85.2% and 84.8%.

How does that compare with a year earlier?

In November 2023, 86.2% of 20,354 departures left on time and 0.1% were cancelled, against 84.9% and 0.3% in November 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for ORD · methodology · corrections.