Chicago Midway International in November 2023

82.2%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 2023, reporting carriers scheduled 6,745 domestic departures from Chicago Midway International (MDW). 82.2% left less than 15 minutes late and 86.2% reached their destination on time; 0.1% were cancelled.

Nationally that month, 86.0% of flights departed on time and 86.2% arrived on time, so MDW departures were 3.8 points below the national departure figure.

Flights arriving at MDW that month were on time 86.5% of the time (6,746 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 46%, late-arriving aircraft 38% and national aviation system 14%.

On time 86.2%
Arrived 15+ minutes late 13.7%
Cancelled 0.1%
Diverted 0.0%

Every scheduled departure from MDW in November 2023, judged by arrival at the destination.

November 2023 against a year earlier, the airport's year and the nation

Measure	Nov 2023	Year earlier	MDW, 12 months to Jul 2026	All reported flights, Nov 2023
Departed on time	82.2%	—	70.7%	86.0%
Arrived on time	86.2%	—	73.9%	86.2%
Cancelled	0.1%	—	1.5%	0.1%
Average departure delay (late minutes only)	8.9 min	—	16.5 min	9.4 min
Scheduled departures a day	225	—	202	18,793
Scheduled departures	6,745	—	73,744	563,777

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	6,042	90%	86.7%	-2.9 min	0.1%
F9 Frontier Airlines	393	6%	74.0%	18.9 min	0.3%
OO SkyWest Airlines	156	2%	87.8%	-1.7 min	0.0%
DL Delta Air Lines	111	2%	97.3%	-14.2 min	0.0%
G4 Allegiant Air	43	1%	88.4%	-9.3 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MDW–ATL	Chicago to Atlanta	308	91.2%	-1.7 min	0.0%
MDW–DEN	Chicago to Denver	286	89.2%	-5.9 min	0.3%
MDW–LAS	Chicago to Las Vegas	278	84.9%	-3.2 min	0.0%
MDW–MSP	Chicago to Minneapolis	276	87.0%	-2.9 min	0.0%
MDW–PHX	Chicago to Phoenix	272	87.9%	-8.1 min	0.4%
MDW–MCO	Chicago to Orlando	267	85.0%	3.5 min	0.0%
MDW–LGA	Chicago to New York	221	85.1%	-1.8 min	0.0%
MDW–DAL	Chicago to Dallas	199	85.4%	-5.8 min	0.5%
MDW–MCI	Chicago to Kansas City	196	87.2%	-0.5 min	0.0%
MDW–BNA	Chicago to Nashville	177	84.7%	-2.7 min	0.0%
MDW–STL	Chicago to St. Louis	176	88.6%	-3.2 min	0.0%
MDW–DCA	Chicago to Washington	174	86.8%	-1.2 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 2023.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2023	Minutes
Air carrier	46.3%	42.5%	18,850
Late-arriving aircraft	37.7%	37.3%	15,345
National Aviation System	14.4%	16.2%	5,881
Extreme weather	1.2%	3.7%	499
Security	0.4%	0.3%	149

40,724 delay minutes on 923 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 MDW on time in November 2023?

82.2% of 6,745 scheduled domestic departures left less than 15 minutes late, and 86.2% reached their destination on time. The national figures that month were 86.0% and 86.2%.

How does that compare with a year earlier?

November 2022 is outside the 36 months on file, or the airport had too few reported flights that month.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for November 2023; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for MDW · methodology · corrections.