Flight Reliability
AA 4257 · American Airlines
AMA → Dallas–Fort Worth (AMA–DFW)85% of its flights flew this route. The rest (DCA–MSP, MSP–DCA) are included in these numbers.
- 92%
- Arrive within 15 minutes
- 6 min early
- Average arrival delay
- 2.0%
- Cancelled
- 10 min early
- Median arrival delay
Based on 148 historical flights. Data through May 2026.
What the data says
Morning-you made the right choice.
AA 4257 departing between 3–6 AM arrived on time 95% of the time, versus 86% between 3–6 PM.
Wednesdays have been rough.
AA 4257 arrived on time 100% of the time on Thursdays and just 85% on Wednesdays. That gap is worth planning around.
Better than the AMA–DFW route average.
AA 4257 arrived on time 92% of the time, versus 85% across the AMA–DFW route.
Well ahead of the American Airlines network.
AA 4257 arrived on time 92% of the time, versus 77% across the American Airlines network.
The breakdown
- Mon91%(22 flights)
- Tue85%(20 flights)
- Wed85%(20 flights)
- Thu100%(22 flights)
- Fri96%(22 flights)
- Sat90%(20 flights)
- Sun95%(19 flights)
- 3–6 AM95%(103 flights)
- 6–9 AM91%(22 flights)
- 12–3 PM—(6 flights)
- 3–6 PM86%(14 flights)
Aug 96% → Mar 96% on time
| Month | On-time percentage | Flights |
|---|---|---|
| August 2025 | 96% | 26 |
| September 2025 | 93% | 30 |
| January 2026 | 94% | 31 |
| February 2026 | 100% | 11 |
| March 2026 | 96% | 23 |
- Departures on time
- 95%
- Diverted
- 0%
- Flights flown
- 145
- Months covered
- 10
Same route, other flights
Keep nerding
Based on 148 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.