On-Time Report

Airports › St. Louis (STL) › June 2024

Airport month · June 2024

St Louis Lambert International in June 2024

73.7%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 June 2024, reporting carriers scheduled 5,825 domestic departures from St Louis Lambert International (STL). 73.7% left less than 15 minutes late and 75.6% reached their destination on time; 0.7% were cancelled.

Nationally that month, 73.7% of flights departed on time and 73.9% arrived on time, so STL departures were level with the national departure figure.

Flights arriving at STL that month were on time 76.0% of the time (5,825 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 49%, air carrier 31% and national aviation system 17%.

Every scheduled departure from STL in June 2024, judged by arrival at the destination.

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

MeasureJun 2024Year earlierSTL, 12 months to Jul 2026All reported flights, Jun 2024
Departed on time73.7%—74.1%73.7%
Arrived on time75.6%—76.8%73.9%
Cancelled0.7%—1.3%1.3%
Average departure delay (late minutes only)16.8 min—17.6 min19.7 min
Scheduled departures a day194—17420,371
Scheduled departures5,825—63,318611,132

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines3,65663%73.4%9.8 min0.3%
AA American Airlines61911%76.3%15.0 min1.0%
DL Delta Air Lines5079%89.3%-1.8 min0.0%
UA United Airlines2364%69.5%15.2 min0.4%
YX Republic Airline2134%83.6%4.4 min1.9%
MQ Envoy Air1733%75.7%8.6 min2.9%
F9 Frontier Airlines1222%73.0%6.2 min4.9%
AS Alaska Airlines902%74.4%12.4 min0.0%
9E Endeavor Air811%77.8%-1.6 min4.9%
OO SkyWest Airlines591%84.7%20.8 min0.0%
NK Spirit Airlines471%63.8%16.1 min4.3%
OH PSA Airlines220%95.5%-7.8 min0.0%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
STL–DENSt. Louis to Denver34470.9%11.9 min0.0%
STL–ATLSt. Louis to Atlanta29487.1%-1.5 min0.3%
STL–LGASt. Louis to New York29275.0%8.3 min3.1%
STL–ORDSt. Louis to Chicago23571.9%21.0 min0.9%
STL–DFWSt. Louis to Dallas/Fort Worth21274.5%16.9 min2.4%
STL–PHXSt. Louis to Phoenix20974.6%11.7 min0.5%
STL–MCOSt. Louis to Orlando20578.5%7.8 min0.5%
STL–DCASt. Louis to Washington18982.0%2.0 min0.0%
STL–PHLSt. Louis to Philadelphia18678.0%2.6 min1.6%
STL–LASSt. Louis to Las Vegas18578.4%8.1 min1.6%
STL–CLTSt. Louis to Charlotte17975.4%21.3 min0.0%
STL–MDWSt. Louis to Chicago17378.0%7.2 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), June 2024.

Delay causes

BTS cause categoryShare of delay minutesNational, Jun 2024Minutes
Air carrier30.7%34.4%25,600
Late-arriving aircraft49.0%41.5%40,806
National Aviation System17.4%17.8%14,477
Extreme weather2.7%6.0%2,243
Security0.2%0.2%179
83,305 delay minutes on 1,369 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← May 2024July 2024 →

Questions and answers

How many flights left STL on time in June 2024?

73.7% of 5,825 scheduled domestic departures left less than 15 minutes late, and 75.6% reached their destination on time. The national figures that month were 73.7% and 73.9%.

How does that compare with a year earlier?

June 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 June 2024; public domain. Domestic scheduled flights by reporting carriers, totals and averages only. The site's data runs through July 2026. Full record for STL · methodology · corrections.