Route · EWR → STL · 2020–2025 BTS data
Newark to St. Louis
The EWR–STL corridor (Newark, NJ → St. Louis, MO) runs ahead of the national average, served by 6 carriers across roughly 872 miles.
Data updated 2026-06-13
- 82%
- On-time
- +3 pts
- vs US avg
- 77 min
- Delay when late
- 3,387
- Flights
Cancelled
3.7%
Best Month
Feb 2024 92%
Worst Month
Aug 2024 63%
Distance
872 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 76 | 22 | 4 | 1 | YX,UA |
| Nov 2025 | 85 | 9 | 7 | 0 | UA,YX |
| Oct 2025 | 93 | 18 | 2 | 0 | UA,YX |
| Sep 2025 | 106 | 13 | 3 | 0 | UA,YX |
| Aug 2025 | 93 | 17 | 1 | 0 | YX |
| Jul 2025 | 92 | 14 | 14 | 0 | YX |
| Jun 2025 | 75 | 24 | 2 | 0 | UA,YX |
| May 2025 | 57 | 12 | 7 | 0 | UA,YX |
| Apr 2025 | 60 | 12 | 6 | 1 | UA,YX |
| Mar 2025 | 87 | 9 | 3 | 0 | YX,UA |
| Feb 2025 | 84 | 18 | 3 | 0 | YX |
| Jan 2025 | 86 | 11 | 5 | 0 | YX |
| Dec 2024 | 77 | 15 | 3 | 0 | UA,YX |
| Nov 2024 | 88 | 15 | 1 | 1 | YX,UA |
| Oct 2024 | 93 | 14 | 0 | 0 | UA,YX |
| Sep 2024 | 90 | 11 | 0 | 0 | YX,UA |
| Aug 2024 | 90 | 33 | 4 | 0 | YX,UA |
| Jul 2024 | 89 | 31 | 3 | 1 | UA,YX |
| Jun 2024 | 88 | 25 | 2 | 0 | UA,YX |
| May 2024 | 92 | 30 | 0 | 0 | YX,UA |
| Apr 2024 | 89 | 20 | 2 | 2 | UA,YX |
| Mar 2024 | 89 | 8 | 0 | 0 | YX,UA |
| Feb 2024 | 85 | 7 | 1 | 0 | UA,YX |
| Jan 2024 | 81 | 8 | 2 | 0 | YX,UA |
Cancellation Rate
3.7%
75 of 2,045 flights
Diversion Rate
0.3%
6 of 2,045 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
EWR - Newark
Full on-time, delay-cause, and seasonal performance for Newark, NJ.
Origin airport →STL - St. Louis
Full on-time, delay-cause, and seasonal performance for St. Louis, MO.
Destination airport →Compare the two airports
See EWR 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 EWR–STL.
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What the Data Says About EWR to STL
Bureau of Transportation Statistics records show Newark to St. Louis (EWR to STL) running a 82% on-time rate over 3,387 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 77.3 minutes. The 872-mile corridor is served by 6 carriers, and over the last 24 months 3.7% of 2,045 flights were cancelled, 0.3% diverted.
The monthly split is wide on this route: Feb 2024 posted the strongest performance at 92% on-time, while Aug 2024 came in at just 63% - a 28-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.