Flight Reliability
AA 6311 · American Airlines
PVU → Phoenix (PVU–PHX)88% of its flights flew this route. The rest (MKE–ORD, PHX–PVU) are included in these numbers.
- 80%
- Arrive within 15 minutes
- 19 min
- Average arrival delay
- 0.3%
- Cancelled
- 8 min early
- Median arrival delay
Based on 307 historical flights. Data through May 2026.
What the data says
The 12–3 PM departure wins.
AA 6311 departing between 12–3 PM arrived on time 84% of the time, versus 69% between 6–9 AM.
Mondays have been rough.
AA 6311 arrived on time 89% of the time on Fridays and just 72% on Mondays. That gap is worth planning around.
A bit ahead of the American Airlines network.
AA 6311 arrived on time 80% of the time, versus 77% across the American Airlines network.
It basically never cancels.
Out of 307 scheduled flights, only 0.3% were cancelled.
The breakdown
- Mon72%(53 flights)
- Tue73%(40 flights)
- Wed79%(28 flights)
- Thu79%(52 flights)
- Fri89%(54 flights)
- Sat81%(26 flights)
- Sun87%(53 flights)
- 3–6 AM83%(24 flights)
- 6–9 AM69%(68 flights)
- 12–3 PM84%(157 flights)
- 3–6 PM81%(57 flights)
Jun 57% → May 90% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 57% | 30 |
| July 2025 | 73% | 30 |
| August 2025 | 75% | 20 |
| September 2025 | 82% | 17 |
| October 2025 | 86% | 29 |
| November 2025 | 84% | 19 |
| December 2025 | 86% | 22 |
| January 2026 | 73% | 26 |
| February 2026 | 86% | 22 |
| March 2026 | 87% | 23 |
| April 2026 | 82% | 28 |
| May 2026 | 90% | 40 |
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 306
- Months covered
- 12
Same route, other flights
Keep nerding
Based on 307 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.