Route · STL → EWR · 2020–2025 BTS data
St. Louis to Newark
The STL–EWR corridor (St. Louis, MO → Newark, NJ) runs ahead of the national average, served by 6 carriers across roughly 872 miles.
Data updated 2026-06-13
- 80.5%
- On-time
- +1.5 pts
- vs US avg
- 89 min
- Delay when late
- 3,366
- Flights
Cancelled
3.4%
Best Month
Mar 2024 94%
Worst Month
Oct 2025 61%
Distance
872 mi
Carriers
6
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 77 | 20 | 2 | 0 | YX,UA |
| Nov 2025 | 85 | 20 | 6 | 0 | UA,YX |
| Oct 2025 | 93 | 36 | 2 | 0 | UA,YX |
| Sep 2025 | 106 | 16 | 3 | 0 | UA,YX |
| Aug 2025 | 93 | 19 | 2 | 0 | YX |
| Jul 2025 | 92 | 20 | 12 | 0 | YX |
| Jun 2025 | 75 | 14 | 4 | 1 | UA,YX |
| May 2025 | 51 | 13 | 9 | 0 | UA,YX |
| Apr 2025 | 60 | 21 | 0 | 0 | UA,YX |
| Mar 2025 | 87 | 15 | 1 | 1 | YX,UA |
| Feb 2025 | 84 | 18 | 3 | 0 | YX |
| Jan 2025 | 86 | 12 | 6 | 0 | YX |
| Dec 2024 | 77 | 18 | 0 | 0 | UA,YX |
| Nov 2024 | 88 | 21 | 0 | 1 | YX,UA |
| Oct 2024 | 93 | 9 | 0 | 2 | UA,YX |
| Sep 2024 | 90 | 9 | 1 | 0 | YX,UA |
| Aug 2024 | 90 | 23 | 6 | 3 | YX,UA |
| Jul 2024 | 88 | 23 | 5 | 0 | UA,YX |
| Jun 2024 | 89 | 21 | 0 | 1 | UA,YX |
| May 2024 | 92 | 24 | 0 | 1 | YX,UA |
| Apr 2024 | 89 | 18 | 1 | 0 | UA,YX |
| Mar 2024 | 89 | 5 | 0 | 0 | YX,UA |
| Feb 2024 | 85 | 8 | 2 | 0 | UA,YX |
| Jan 2024 | 81 | 14 | 5 | 0 | YX,UA |
Cancellation Rate
3.4%
70 of 2,040 flights
Diversion Rate
0.5%
10 of 2,040 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 →EWR - Newark
Full on-time, delay-cause, and seasonal performance for Newark, NJ.
Destination airport →Compare the two airports
See STL and EWR 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–EWR.
Routes with a similar on-time rate
Routes of a similar trip length
What the Data Says About STL to EWR
3,366 tracked flights put the STL to EWR pairing (St. Louis to Newark) at a 80.5% on-time rate, squarely in line with the wider network. Delays that do occur run 89.0 minutes on average. Across the 872-mile route and its 6 carriers, the trailing 24 months show 3.4% cancelled and 0.5% diverted (2,040 flights sampled).
The monthly split is wide on this route: Mar 2024 posted the strongest performance at 94% on-time, while Oct 2025 came in at just 61% - a 33-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from STL to EWR? ▼
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Flight Guides
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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.