Chicago Midway International in October 2024

84.1%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 October 2024, reporting carriers scheduled 6,744 domestic departures from Chicago Midway International (MDW). 84.1% left less than 15 minutes late and 87.7% reached their destination on time; 0.9% were cancelled.

Nationally that month, 85.5% of flights departed on time and 85.8% arrived on time, so MDW departures were 1.4 points below the national departure figure.

A year earlier, in October 2023, the airport had 7,653 departures with 76.9% leaving on time: a change of +7.2 points, with flights down 12%.

Flights arriving at MDW that month were on time 87.4% of the time (6,744 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, air carrier 43%, late-arriving aircraft 43% and national aviation system 13%.

On time 87.7%
Arrived 15+ minutes late 11.4%
Cancelled 0.9%
Diverted 0.1%

Every scheduled departure from MDW in October 2024, judged by arrival at the destination.

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

Measure	Oct 2024	Oct 2023	MDW, 12 months to Jul 2026	All reported flights, Oct 2024
Departed on time	84.1%	76.9%	70.7%	85.5%
Arrived on time	87.7%	79.4%	73.9%	85.8%
Cancelled	0.9%	0.1%	1.5%	1.0%
Average departure delay (late minutes only)	8.0 min	12.2 min	16.5 min	9.4 min
Scheduled departures a day	225	255	202	20,517
Scheduled departures	6,744	7,653	73,744	615,497

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	6,062	90%	88.2%	-4.0 min	0.8%
F9 Frontier Airlines	326	5%	73.3%	9.1 min	1.8%
OO SkyWest Airlines	173	3%	93.6%	-8.2 min	0.0%
DL Delta Air Lines	145	2%	93.1%	-10.4 min	0.0%
G4 Allegiant Air	38	1%	86.8%	7.9 min	2.6%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
MDW–ATL	Chicago to Atlanta	340	89.1%	-3.3 min	0.3%
MDW–PHX	Chicago to Phoenix	280	84.6%	-1.6 min	0.0%
MDW–DEN	Chicago to Denver	272	91.2%	-8.0 min	0.7%
MDW–LAS	Chicago to Las Vegas	264	89.4%	-8.5 min	0.4%
MDW–MCO	Chicago to Orlando	240	85.8%	-4.2 min	7.1%
MDW–MSP	Chicago to Minneapolis	238	92.0%	-5.6 min	0.0%
MDW–LGA	Chicago to New York	201	86.6%	0.8 min	0.0%
MDW–MCI	Chicago to Kansas City	198	92.4%	-6.1 min	0.0%
MDW–DAL	Chicago to Dallas	195	88.2%	-7.2 min	0.0%
MDW–BWI	Chicago to Baltimore	184	87.5%	-2.5 min	0.0%
MDW–DCA	Chicago to Washington	182	84.1%	-0.3 min	0.0%
MDW–DTW	Chicago to Detroit	182	90.1%	-5.1 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), October 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Oct 2024	Minutes
Air carrier	42.9%	42.7%	15,115
Late-arriving aircraft	42.9%	37.4%	15,110
National Aviation System	12.8%	16.3%	4,507
Extreme weather	1.0%	3.4%	365
Security	0.5%	0.2%	163

35,260 delay minutes on 766 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 October 2024?

84.1% of 6,744 scheduled domestic departures left less than 15 minutes late, and 87.7% reached their destination on time. The national figures that month were 85.5% and 85.8%.

How does that compare with a year earlier?

In October 2023, 76.9% of 7,653 departures left on time and 0.1% were cancelled, against 84.1% and 0.9% in October 2024.

Provenance

Source: Bureau of Transportation Statistics, Reporting Carrier On-Time Performance, file for October 2024; 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.