Flight Reliability
AA 2639 · American Airlines
Phoenix → Madison (PHX–MSN)97% of its flights flew this route. The rest (DFW–BOS) are included in these numbers.
87
Pretty Reliable
WanderNerd Reliability Score
- 87%
- Arrive within 15 minutes
- 2 min early
- Average arrival delay
- 1.3%
- Cancelled
- 10 min early
- Median arrival delay
Based on 160 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
AA 2639 arrived on time 96% of the time on Thursdays and just 72% on Sundays. That gap is worth planning around.
A bit ahead of the PHX–MSN route.
AA 2639 arrived on time 87% of the time, versus 83% across the PHX–MSN route.
Better than the American Airlines network average.
AA 2639 arrived on time 87% of the time, versus 77% across the American Airlines network.
The breakdown
- Mon86%(21 flights)
- Tue95%(20 flights)
- Wed82%(22 flights)
- Thu96%(23 flights)
- Fri92%(24 flights)
- Sat86%(22 flights)
- Sun72%(25 flights)
- 6–9 AM—(5 flights)
- 9 AM–12 PM87%(152 flights)
84%
Mar
Nov 86% → Mar 84% on time
| Month | On-time percentage | Flights |
|---|---|---|
| November 2025 | 86% | 29 |
| December 2025 | 87% | 30 |
| January 2026 | 86% | 28 |
| February 2026 | 89% | 28 |
| March 2026 | 84% | 31 |
- Departures on time
- 84%
- Diverted
- 0.6%
- Flights flown
- 157
- Months covered
- 7
Same route, other flights
Keep nerding
Based on 160 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.