Flight Reliability
AA 338 · American Airlines
Phoenix → Chicago (PHX–ORD)
72
Usually Fine
WanderNerd Reliability Score
- 75%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 0.7%
- Cancelled
- 7 min early
- Median arrival delay
Based on 149 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
AA 338 arrived on time 91% of the time on Fridays and just 56% on Mondays. That gap is worth planning around.
The breakdown
- Mon56%(18 flights)
- Tue82%(22 flights)
- Wed70%(20 flights)
- Thu81%(21 flights)
- Fri91%(21 flights)
- Sat71%(21 flights)
- Sun73%(22 flights)
80%
May
Jun 73% → May 80% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 73% | 30 |
| July 2025 | 70% | 30 |
| August 2025 | 77% | 30 |
| April 2026 | 74% | 23 |
| May 2026 | 80% | 30 |
- Departures on time
- 77%
- Diverted
- 2.0%
- Flights flown
- 145
- Months covered
- 6
Same route, other flights
Keep nerding
Based on 149 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.