Flight Reliability
AA 2771 · American Airlines
Denver → Chicago (DEN–ORD)82% of its flights flew this route. The rest (CLT–ILM, ILM–CLT) are included in these numbers.
81
Pretty Reliable
WanderNerd Reliability Score
- 87%
- Arrive within 15 minutes
- 3 min
- Average arrival delay
- 3.0%
- Cancelled
- 13 min early
- Median arrival delay
Based on 401 historical flights. Data through May 2026.
What the data says
Sunday scaries are real for this one.
AA 2771 arrived on time 93% of the time on Saturdays. On Sundays: 80%.
Well ahead of the DEN–ORD route.
AA 2771 arrived on time 87% of the time, versus 71% across the DEN–ORD route.
Better than the American Airlines network average.
AA 2771 arrived on time 87% of the time, versus 77% across the American Airlines network.
Keep a backup plan handy.
AA 2771 was cancelled 3.0% of the time. Typical for U.S. flights is around 1–2%.
The breakdown
- Mon80%(54 flights)
- Tue84%(56 flights)
- Wed91%(57 flights)
- Thu91%(57 flights)
- Fri89%(55 flights)
- Sat93%(54 flights)
- Sun80%(54 flights)
- 6–9 AM87%(320 flights)
- 12–3 PM87%(67 flights)
97%
May
Jun 87% → May 97% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 87% | 30 |
| July 2025 | 85% | 27 |
| August 2025 | 90% | 31 |
| September 2025 | 90% | 30 |
| October 2025 | 94% | 31 |
| November 2025 | 67% | 30 |
| December 2025 | 83% | 29 |
| January 2026 | 85% | 52 |
| February 2026 | 92% | 37 |
| March 2026 | 83% | 30 |
| April 2026 | 90% | 29 |
| May 2026 | 97% | 31 |
- Departures on time
- 87%
- Diverted
- 0.5%
- Flights flown
- 387
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 401 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.