Flight Reliability
AA 3887 · American Airlines
Dallas–Fort Worth → CMI (DFW–CMI)
78
Usually Fine
WanderNerd Reliability Score
- 81%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.9%
- Cancelled
- 6 min early
- Median arrival delay
Based on 363 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
AA 3887 arrived on time 90% of the time on Fridays and just 73% on Sundays. That gap is worth planning around.
A bit behind the DFW–CMI route.
AA 3887 arrived on time 81% of the time, versus 84% across the DFW–CMI route.
A bit ahead of the American Airlines network.
AA 3887 arrived on time 81% of the time, versus 77% across the American Airlines network.
Slipping a little lately.
AA 3887 arrived on time 82% of the time over the last three months in the data, compared with 86% in the three months before that.
The breakdown
- Mon73%(51 flights)
- Tue86%(50 flights)
- Wed85%(52 flights)
- Thu82%(50 flights)
- Fri90%(51 flights)
- Sat79%(48 flights)
- Sun73%(51 flights)
69%
May
Jun 67% → May 69% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 67% | 30 |
| July 2025 | 68% | 31 |
| August 2025 | 87% | 31 |
| September 2025 | 79% | 29 |
| October 2025 | 81% | 31 |
| November 2025 | 89% | 27 |
| December 2025 | 76% | 29 |
| January 2026 | 93% | 29 |
| February 2026 | 89% | 28 |
| March 2026 | 90% | 31 |
| April 2026 | 86% | 28 |
| May 2026 | 69% | 29 |
- Departures on time
- 82%
- Diverted
- 0.8%
- Flights flown
- 353
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 363 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.