Route · PHX → STL · 2020–2025 BTS data
Phoenix to St. Louis
The PHX–STL corridor (Phoenix, AZ → St. Louis, MO) runs ahead of the national average, served by 19 carriers across roughly 1,262 miles.
Data updated 2026-06-13
- 81.3%
- On-time
- +2.3 pts
- vs US avg
- 60 min
- Delay when late
- 11,922
- Flights
Cancelled
0.5%
Best Month
Nov 2024 91%
Worst Month
Jul 2024 66%
Distance
1,262 mi
Carriers
19
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 207 | 51 | 0 | 0 | WN,F9,AA,OO |
| Nov 2025 | 189 | 46 | 1 | 1 | F9,AA,WN |
| Oct 2025 | 199 | 38 | 0 | 0 | AA,OO,WN,F9 |
| Sep 2025 | 159 | 27 | 2 | 0 | WN,OO,AA |
| Aug 2025 | 164 | 35 | 1 | 0 | AA,OO,WN |
| Jul 2025 | 166 | 36 | 1 | 2 | AA,OO,WN |
| Jun 2025 | 171 | 34 | 0 | 0 | AA,OO,WN |
| May 2025 | 208 | 34 | 1 | 2 | AA,OO,WN |
| Apr 2025 | 210 | 33 | 0 | 0 | OO,WN,AA |
| Mar 2025 | 193 | 29 | 1 | 1 | AA,OO,WN |
| Feb 2025 | 180 | 18 | 0 | 0 | AA,OO,WN |
| Jan 2025 | 193 | 22 | 9 | 2 | AA,WN |
| Dec 2024 | 214 | 45 | 0 | 0 | AA,OO,WN |
| Nov 2024 | 206 | 19 | 0 | 1 | OO,MQ,WN,AA |
| Oct 2024 | 203 | 25 | 0 | 0 | WN,AA |
| Sep 2024 | 176 | 21 | 1 | 0 | WN,AA |
| Aug 2024 | 186 | 42 | 0 | 0 | AA,F9,MQ,WN |
| Jul 2024 | 211 | 71 | 0 | 1 | AA,F9,WN |
| Jun 2024 | 210 | 50 | 1 | 0 | AA,F9,MQ,WN |
| May 2024 | 233 | 50 | 0 | 2 | AA,F9,MQ,WN |
| Apr 2024 | 214 | 40 | 0 | 2 | AA,F9,WN |
| Mar 2024 | 192 | 44 | 0 | 1 | AA,WN |
| Feb 2024 | 180 | 27 | 0 | 0 | AA,OO,WN |
| Jan 2024 | 199 | 50 | 7 | 1 | AA,MQ,WN,OO |
Cancellation Rate
0.5%
25 of 4,663 flights
Diversion Rate
0.3%
16 of 4,663 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
PHX - Phoenix
Full on-time, delay-cause, and seasonal performance for Phoenix, AZ.
Origin airport →STL - St. Louis
Full on-time, delay-cause, and seasonal performance for St. Louis, MO.
Destination airport →Compare the two airports
See PHX 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 PHX–STL.
Routes with a similar on-time rate
What the Data Says About PHX to STL
11,922 tracked flights put the PHX to STL pairing (Phoenix to St. Louis) at a 81.3% on-time rate, squarely in line with the wider network. Delays that do occur run 59.8 minutes on average. Across the 1,262-mile route and its 19 carriers, the trailing 24 months show 0.5% cancelled and 0.3% diverted (4,663 flights sampled).
The monthly split is wide on this route: Nov 2024 posted the strongest performance at 91% on-time, while Jul 2024 came in at just 66% - a 24-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.