St Louis Lambert International in November 2024

86.0%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 2024, reporting carriers scheduled 5,263 domestic departures from St Louis Lambert International (STL). 86.0% left less than 15 minutes late and 86.7% reached their destination on time; 0.1% were cancelled.

Nationally that month, 85.2% of flights departed on time and 84.8% arrived on time, so STL departures were 0.8 points above the national departure figure.

A year earlier, in November 2023, the airport had 5,245 departures with 84.9% leaving on time: a change of +1.1 points, with flights up 0%.

Flights arriving at STL that month were on time 87.2% of the time (5,263 scheduled arrivals).

Of the delay minutes that carriers assigned to a BTS cause category that month, late-arriving aircraft 40%, air carrier 32% and national aviation system 23%.

On time 86.7%
Arrived 15+ minutes late 13.1%
Cancelled 0.1%
Diverted 0.1%

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

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

Measure	Nov 2024	Nov 2023	STL, 12 months to Jul 2026	All reported flights, Nov 2024
Departed on time	86.0%	84.9%	74.1%	85.2%
Arrived on time	86.7%	87.1%	76.8%	84.8%
Cancelled	0.1%	0.1%	1.3%	0.5%
Average departure delay (late minutes only)	9.3 min	10.2 min	17.6 min	10.2 min
Scheduled departures a day	175	175	174	19,180
Scheduled departures	5,263	5,245	63,318	575,404

Airlines that month

Reporting carrier	Flights	Share	On time	Avg arrival delay	Cancelled
WN Southwest Airlines	3,297	63%	87.8%	-3.7 min	0.1%
AA American Airlines	530	10%	83.6%	6.3 min	0.6%
DL Delta Air Lines	446	8%	92.8%	-8.4 min	0.0%
YX Republic Airline	262	5%	86.3%	-0.9 min	0.0%
UA United Airlines	255	5%	77.3%	8.2 min	0.0%
9E Endeavor Air	114	2%	89.5%	-8.3 min	0.0%
MQ Envoy Air	106	2%	81.1%	3.3 min	0.0%
F9 Frontier Airlines	79	2%	74.7%	39.4 min	0.0%
OO SkyWest Airlines	59	1%	69.5%	13.7 min	0.0%
AS Alaska Airlines	50	1%	90.0%	-0.3 min	0.0%
OH PSA Airlines	45	1%	84.4%	-0.4 min	0.0%
NK Spirit Airlines	20	0%	90.0%	1.4 min	0.0%

Busiest routes that month

Route	Cities	Flights	On time	Avg arrival delay	Cancelled
STL–LGA	St. Louis to New York	313	89.1%	-5.5 min	0.0%
STL–DEN	St. Louis to Denver	297	85.9%	1.8 min	0.7%
STL–ATL	St. Louis to Atlanta	276	90.9%	-5.1 min	0.0%
STL–DFW	St. Louis to Dallas/Fort Worth	210	77.6%	19.8 min	1.4%
STL–ORD	St. Louis to Chicago	209	76.1%	8.9 min	0.0%
STL–PHX	St. Louis to Phoenix	207	85.5%	1.3 min	0.0%
STL–DCA	St. Louis to Washington	192	89.6%	-4.8 min	0.0%
STL–MCO	St. Louis to Orlando	177	92.7%	-7.3 min	0.0%
STL–DAL	St. Louis to Dallas	170	81.2%	3.2 min	0.0%
STL–LAS	St. Louis to Las Vegas	162	84.0%	1.2 min	0.0%
STL–MSP	St. Louis to Minneapolis	159	88.1%	-4.7 min	0.0%
STL–DTW	St. Louis to Detroit	154	90.9%	-7.1 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), November 2024.

Delay causes

BTS cause category	Share of delay minutes	National, Nov 2024	Minutes
Air carrier	31.6%	36.9%	13,266
Late-arriving aircraft	40.2%	35.6%	16,896
National Aviation System	23.3%	21.9%	9,772
Extreme weather	4.8%	5.4%	2,020
Security	0.1%	0.2%	37

41,991 delay minutes on 690 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 STL on time in November 2024?

86.0% of 5,263 scheduled domestic departures left less than 15 minutes late, and 86.7% reached their destination on time. The national figures that month were 85.2% and 84.8%.

How does that compare with a year earlier?

In November 2023, 84.9% of 5,245 departures left on time and 0.1% were cancelled, against 86.0% and 0.1% in November 2024.

Provenance

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