Route
PHX → STL
Phoenix Sky Harbor International Airport St. Louis Lambert International Airport
How punctual is this route?
- On-time arrivals
- 76.2%
- Less than 15 minutes late
- Cancelled
- 0.3%
- Of scheduled flights
- Average delay when late
- 59 min
- Flights arriving 15+ minutes late
- Flights tracked
- 2,323
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 40%
- Air traffic control & airport 7%
- Extreme weather 2%
- Security 1%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.8% | 159 |
| October 2025 | 80.9% | 199 |
| November 2025 | 75.4% | 189 |
| December 2025 | 75.4% | 207 |
| January 2026 | 83.8% | 199 |
| February 2026 | 84.9% | 192 |
| March 2026 | 73.4% | 234 |
| April 2026 | 75.9% | 207 |
| May 2026 | 77.9% | 202 |
| June 2026 | 67.7% | 166 |
| July 2026 | 63.3% | 198 |
| August 2026 | 73.7% | 171 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 1,632 | 75.1% | 0.1% | 53 min |
| American Airlines | 584 | 77.6% | 0.7% | 69 min |
| Frontier Airlines | 53 | 82.7% | 1.9% | 175 min |
| Envoy Air | 30 | 93.3% | 0.0% | 90 min |
| SkyWest Airlines | 24 | 87.5% | 0.0% | 42 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
AA2303
20% late · 152 flights
-
AA2043
20% late · 149 flights
-
AA890
24% late · 134 flights
-
AA3179
29% late · 76 flights
-
WN500
6% late · 64 flights
-
WN1564
38% late · 61 flights
-
WN3352
8% late · 59 flights
-
WN3240
10% late · 58 flights
-
WN2906
38% late · 57 flights
-
WN3516
25% late · 57 flights
-
WN2179
18% late · 56 flights
-
AA590
25% late · 53 flights
-
WN1467
18% late · 52 flights
-
WN149
23% late · 52 flights
-
WN3904
21% late · 50 flights
-
F92076
13% late · 46 flights
-
WN1231
48% late · 43 flights
-
WN3353
43% late · 43 flights
-
WN4151
33% late · 43 flights
-
WN1845
45% late · 42 flights
-
WN4149
39% late · 41 flights
-
WN3239
5% late · 39 flights
-
WN1540
18% late · 33 flights
-
WN2648
39% late · 33 flights
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