Flight Reliability
AA 2574 · American Airlines
St. Louis → Phoenix (STL–PHX)88% of its flights flew this route. The rest (PHX–SBP, DFW–TPA) are included in these numbers.
80
Pretty Reliable
WanderNerd Reliability Score
- 83%
- Arrive within 15 minutes
- 22 min
- Average arrival delay
- 0.9%
- Cancelled
- 11 min early
- Median arrival delay
Based on 328 historical flights. Data through May 2026.
What the data says
Mornings have a slight edge.
Departures between 6–9 AM arrived on time 84% of the time, against 78% between 6–9 PM.
Friday is doing you no favors.
AA 2574 arrived on time 91% of the time on Thursdays. On Fridays: 77%.
A bit ahead of the STL–PHX route.
AA 2574 arrived on time 83% of the time, versus 77% across the STL–PHX route.
A bit ahead of the American Airlines network.
AA 2574 arrived on time 83% of the time, versus 77% across the American Airlines network.
The breakdown
- Mon83%(52 flights)
- Tue80%(35 flights)
- Wed87%(39 flights)
- Thu91%(43 flights)
- Fri77%(51 flights)
- Sat86%(51 flights)
- Sun79%(53 flights)
- 6–9 AM84%(285 flights)
- 9 AM–12 PM—(2 flights)
- 6–9 PM78%(37 flights)
79%
May
Jun 65% → May 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 65% | 23 |
| July 2025 | 81% | 21 |
| August 2025 | 71% | 31 |
| September 2025 | 95% | 21 |
| October 2025 | 83% | 30 |
| November 2025 | 85% | 27 |
| December 2025 | 86% | 29 |
| January 2026 | 90% | 29 |
| February 2026 | 89% | 28 |
| March 2026 | 87% | 31 |
| April 2026 | 85% | 26 |
| May 2026 | 79% | 28 |
- Departures on time
- 85%
- Diverted
- 0.3%
- Flights flown
- 324
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 328 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.