On-Time Report

Airports › Chicago (MDW) › April 2024

Airport month · April 2024

Chicago Midway International in April 2024

77.8%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 April 2024, reporting carriers scheduled 6,791 domestic departures from Chicago Midway International (MDW). 77.8% left less than 15 minutes late and 79.5% reached their destination on time; 0.3% were cancelled.

Nationally that month, 80.5% of flights departed on time and 80.2% arrived on time, so MDW departures were 2.7 points below the national departure figure.

Flights arriving at MDW that month were on time 81.5% of the time (6,789 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 45%, air carrier 35% and national aviation system 19%.

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

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

MeasureApr 2024Year earlierMDW, 12 months to Jul 2026All reported flights, Apr 2024
Departed on time77.8%—70.7%80.5%
Arrived on time79.5%—73.9%80.2%
Cancelled0.3%—1.5%0.7%
Average departure delay (late minutes only)13.2 min—16.5 min14.2 min
Scheduled departures a day226—20219,406
Scheduled departures6,791—73,744582,185

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines6,05689%79.9%3.8 min0.2%
F9 Frontier Airlines3956%68.9%21.7 min1.3%
OO SkyWest Airlines1723%83.7%1.1 min0.0%
DL Delta Air Lines1262%87.3%0.5 min0.0%
G4 Allegiant Air421%76.2%7.7 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
MDW–ATLChicago to Atlanta31384.7%6.2 min0.6%
MDW–PHXChicago to Phoenix30375.2%4.5 min0.0%
MDW–LASChicago to Las Vegas29775.4%6.6 min0.3%
MDW–DENChicago to Denver26883.6%5.6 min0.0%
MDW–MCOChicago to Orlando25981.5%4.2 min1.9%
MDW–MSPChicago to Minneapolis24185.9%1.2 min0.0%
MDW–MCIChicago to Kansas City19272.9%8.2 min0.0%
MDW–LGAChicago to New York18975.7%5.2 min1.1%
MDW–DALChicago to Dallas18275.3%10.4 min0.0%
MDW–BWIChicago to Baltimore17582.9%1.0 min0.0%
MDW–TPAChicago to Tampa17382.1%4.7 min1.2%
MDW–DTWChicago to Detroit17281.4%2.1 min0.0%

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), April 2024.

Delay causes

BTS cause categoryShare of delay minutesNational, Apr 2024Minutes
Air carrier34.8%33.6%26,058
Late-arriving aircraft44.6%41.0%33,330
National Aviation System18.6%20.0%13,947
Extreme weather1.7%5.1%1,278
Security0.2%0.2%183
74,796 delay minutes on 1,364 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← March 2024May 2024 →

Questions and answers

How many flights left MDW on time in April 2024?

77.8% of 6,791 scheduled domestic departures left less than 15 minutes late, and 79.5% reached their destination on time. The national figures that month were 80.5% and 80.2%.

How does that compare with a year earlier?

April 2023 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 April 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.