Flight F91375
Frontier Airlines flight F91375
Looking for F91375 in the air…
Denver (DEN) to Phoenix (PHX)
Historically, this flight arrives 15+ minutes late 16% of the time, and when it is late the delay averages 88 minutes. It was cancelled 1.3% of the time.
- On-time arrivals
- 84.1%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 88 min
- Flights arriving 15+ minutes late
- Flights tracked
- 235
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 56%
- Airline (crew, maintenance, cleaning) 33%
- Late-arriving aircraft 10%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 90.0% | 30 |
| October 2025 | 71.0% | 31 |
| November 2025 | 79.3% | 30 |
| December 2025 | 92.0% | 25 |
| January 2026 | 72.2% | 19 |
| February 2026 | 95.8% | 25 |
| March 2026 | 79.2% | 24 |
| April 2026 | 94.7% | 19 |
| May 2026 | 91.7% | 24 |
| June 2026 | 50.0% | 6 |
| August 2026 | 100.0% | 2 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data