On-Time Report

Airports › St. Louis (STL) › October 2024

Airport month · October 2024

St Louis Lambert International in October 2024

86.1%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 5,762 domestic departures from St Louis Lambert International (STL). 86.1% left less than 15 minutes late and 88.1% reached their destination on time; 0.8% were cancelled.

Nationally that month, 85.5% of flights departed on time and 85.8% arrived on time, so STL departures were 0.6 points above the national departure figure.

A year earlier, in October 2023, the airport had 5,703 departures with 81.8% leaving on time: a change of +4.3 points, with flights up 1%.

Flights arriving at STL that month were on time 87.8% of the time (5,761 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 46%, air carrier 41% and national aviation system 12%.

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

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

MeasureOct 2024Oct 2023STL, 12 months to Jul 2026All reported flights, Oct 2024
Departed on time86.1%81.8%74.1%85.5%
Arrived on time88.1%83.5%76.8%85.8%
Cancelled0.8%0.1%1.3%1.0%
Average departure delay (late minutes only)8.3 min10.9 min17.6 min9.4 min
Scheduled departures a day19219017420,517
Scheduled departures5,7625,70363,318615,497

Airlines that month

Reporting carrierFlightsShareOn timeAvg arrival delayCancelled
WN Southwest Airlines3,61863%87.3%-3.0 min1.1%
AA American Airlines59110%86.3%4.6 min0.0%
DL Delta Air Lines4959%95.6%-12.5 min0.8%
UA United Airlines3155%87.3%-1.9 min0.0%
9E Endeavor Air1503%94.7%-14.1 min0.0%
MQ Envoy Air1463%82.9%2.0 min0.0%
YX Republic Airline1292%97.7%-11.6 min0.0%
OH PSA Airlines1142%87.7%4.1 min0.0%
F9 Frontier Airlines731%74.0%6.1 min2.7%
AS Alaska Airlines601%96.7%-11.4 min0.0%
OO SkyWest Airlines381%84.2%0.3 min0.0%
NK Spirit Airlines331%75.8%0.8 min6.1%

Busiest routes that month

RouteCitiesFlightsOn timeAvg arrival delayCancelled
STL–DENSt. Louis to Denver32587.4%-5.7 min0.0%
STL–LGASt. Louis to New York31393.0%-8.7 min0.0%
STL–ATLSt. Louis to Atlanta29494.2%-8.0 min0.3%
STL–ORDSt. Louis to Chicago24785.0%8.7 min0.0%
STL–DFWSt. Louis to Dallas/Fort Worth22482.6%4.4 min0.0%
STL–PHXSt. Louis to Phoenix20485.8%2.7 min0.0%
STL–DCASt. Louis to Washington20084.5%1.6 min0.5%
STL–MCOSt. Louis to Orlando19081.6%-4.4 min8.4%
STL–PHLSt. Louis to Philadelphia18788.2%-2.8 min0.0%
STL–DALSt. Louis to Dallas18592.4%-5.5 min0.5%
STL–LASSt. Louis to Las Vegas17986.0%-4.2 min0.0%
STL–MSPSt. Louis to Minneapolis17789.3%-8.8 min2.3%

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 categoryShare of delay minutesNational, Oct 2024Minutes
Air carrier41.2%42.7%14,806
Late-arriving aircraft46.1%37.4%16,555
National Aviation System12.0%16.3%4,307
Extreme weather0.6%3.4%206
Security0.2%0.2%64
35,938 delay minutes on 633 flights that arrived 15 or more minutes late and carried a cause report. Carriers assign the categories; see what each category means.
← September 2024November 2024 →

Questions and answers

How many flights left STL on time in October 2024?

86.1% of 5,762 scheduled domestic departures left less than 15 minutes late, and 88.1% 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, 81.8% of 5,703 departures left on time and 0.1% were cancelled, against 86.1% and 0.8% 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 STL · methodology · corrections.