Route · STL → LGA · 2020–2025 BTS data
St. Louis to New York
The STL–LGA corridor (St. Louis, MO → New York, NY) runs ahead of the national average, served by 21 carriers across roughly 888 miles.
Data updated 2026-06-13
- 83.5%
- On-time
- +4.5 pts
- vs US avg
- 77 min
- Delay when late
- 18,647
- Flights
Cancelled
2.7%
Best Month
Sep 2024 95%
Worst Month
Nov 2025 68%
Distance
888 mi
Carriers
21
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 230 | 73 | 5 | 0 | YX,WN |
| Nov 2025 | 189 | 60 | 4 | 0 | WN,YX |
| Oct 2025 | 199 | 60 | 4 | 2 | WN,YX |
| Sep 2025 | 204 | 28 | 1 | 3 | WN,OO,YX |
| Aug 2025 | 240 | 44 | 4 | 0 | OO,WN,YX |
| Jul 2025 | 225 | 57 | 19 | 3 | WN,YX |
| Jun 2025 | 219 | 58 | 12 | 4 | WN,YX |
| May 2025 | 221 | 56 | 8 | 1 | WN,YX |
| Apr 2025 | 225 | 34 | 0 | 0 | WN,YX |
| Mar 2025 | 218 | 37 | 2 | 2 | WN,YX |
| Feb 2025 | 201 | 29 | 2 | 2 | AA,WN,YX |
| Jan 2025 | 220 | 32 | 13 | 0 | WN,YX |
| Dec 2024 | 308 | 50 | 1 | 0 | 9E,WN,YX |
| Nov 2024 | 313 | 34 | 0 | 0 | 9E,YX,WN |
| Oct 2024 | 313 | 21 | 0 | 1 | WN,YX,9E |
| Sep 2024 | 300 | 14 | 0 | 0 | WN,YX,9E |
| Aug 2024 | 307 | 53 | 23 | 4 | WN,YX,9E |
| Jul 2024 | 313 | 87 | 17 | 1 | 9E,WN,YX |
| Jun 2024 | 292 | 63 | 9 | 1 | 9E,AA,OO,WN,YX |
| May 2024 | 332 | 80 | 5 | 2 | 9E,AA,OO,WN,YX |
| Apr 2024 | 318 | 43 | 4 | 1 | 9E,AA,OO,WN,YX |
| Mar 2024 | 317 | 51 | 2 | 1 | 9E,AA,YX,WN |
| Feb 2024 | 304 | 38 | 12 | 1 | 9E,AA,WN,YX |
| Jan 2024 | 309 | 60 | 25 | 1 | 9E,AA,WN,YX |
Cancellation Rate
2.7%
172 of 6,317 flights
Diversion Rate
0.5%
30 of 6,317 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
STL - St. Louis
Full on-time, delay-cause, and seasonal performance for St. Louis, MO.
Origin airport →LGA - New York
Full on-time, delay-cause, and seasonal performance for New York, NY.
Destination airport →Compare the two airports
See STL and LGA side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to STL–LGA.
Routes with a similar on-time rate
What the Data Says About STL to LGA
Bureau of Transportation Statistics records show St. Louis to New York (STL to LGA) running a 83.5% on-time rate over 18,647 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 77.0 minutes. The 888-mile corridor is served by 21 carriers, and over the last 24 months 2.7% of 6,317 flights were cancelled, 0.5% diverted.
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 95% on-time, while Nov 2025 came in at just 68% - a 27-point swing worth factoring into travel timing.
Frequently Asked Questions
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Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.