Route · LGA → STL · 2020–2025 BTS data
New York to St. Louis
The LGA–STL corridor (New York, NY → St. Louis, MO) runs ahead of the national average, served by 20 carriers across roughly 888 miles.
Data updated 2026-06-13
- 83.4%
- On-time
- +4.4 pts
- vs US avg
- 75 min
- Delay when late
- 18,657
- Flights
Cancelled
2.9%
Best Month
Sep 2024 95%
Worst Month
Dec 2025 65%
Distance
888 mi
Carriers
20
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 229 | 81 | 9 | 0 | YX,WN |
| Nov 2025 | 189 | 58 | 3 | 0 | WN,YX |
| Oct 2025 | 199 | 62 | 5 | 0 | WN,YX |
| Sep 2025 | 204 | 34 | 2 | 0 | WN,OO,YX |
| Aug 2025 | 240 | 35 | 3 | 2 | OO,WN,YX |
| Jul 2025 | 225 | 74 | 18 | 0 | WN,YX |
| Jun 2025 | 219 | 63 | 15 | 0 | WN,YX |
| May 2025 | 221 | 54 | 7 | 0 | WN,YX |
| Apr 2025 | 225 | 55 | 0 | 0 | WN,YX |
| Mar 2025 | 218 | 28 | 0 | 0 | WN,YX |
| Feb 2025 | 201 | 35 | 3 | 0 | WN,YX |
| Jan 2025 | 220 | 33 | 12 | 1 | WN,YX |
| Dec 2024 | 308 | 52 | 2 | 1 | 9E,WN,YX |
| Nov 2024 | 313 | 25 | 0 | 0 | 9E,YX,WN |
| Oct 2024 | 313 | 27 | 0 | 0 | WN,YX,9E |
| Sep 2024 | 300 | 14 | 0 | 0 | WN,YX,9E |
| Aug 2024 | 307 | 61 | 28 | 0 | WN,YX,9E |
| Jul 2024 | 313 | 81 | 20 | 5 | 9E,WN,YX |
| Jun 2024 | 292 | 57 | 9 | 0 | 9E,AA,OO,WN,YX |
| May 2024 | 332 | 60 | 4 | 4 | 9E,AA,OO,WN,YX |
| Apr 2024 | 317 | 39 | 3 | 4 | 9E,AA,OO,WN,YX |
| Mar 2024 | 317 | 40 | 2 | 0 | 9E,AA,YX,WN |
| Feb 2024 | 308 | 30 | 13 | 0 | 9E,AA,WN,YX |
| Jan 2024 | 312 | 57 | 23 | 0 | 9E,AA,WN,YX |
Cancellation Rate
2.9%
181 of 6,322 flights
Diversion Rate
0.3%
17 of 6,322 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
LGA - New York
Full on-time, delay-cause, and seasonal performance for New York, NY.
Origin airport →STL - St. Louis
Full on-time, delay-cause, and seasonal performance for St. Louis, MO.
Destination airport →Compare the two airports
See LGA and STL side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to LGA–STL.
Routes with a similar on-time rate
What the Data Says About LGA to STL
Bureau of Transportation Statistics records show New York to St. Louis (LGA to STL) running a 83.4% on-time rate over 18,657 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 74.5 minutes. The 888-mile corridor is served by 20 carriers, and over the last 24 months 2.9% of 6,322 flights were cancelled, 0.3% diverted.
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 95% on-time, while Dec 2025 came in at just 65% - a 31-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.