Flight F91191
Frontier Airlines flight F91191
Looking for F91191 in the air…
Alerts at this flight's airports
Phoenix (PHX) to San Francisco (SFO)
Historically, this flight arrives 15+ minutes late 40% of the time, and when it is late the delay averages 62 minutes. It was cancelled 1.5% of the time.
- On-time arrivals
- 59.8%
- Less than 15 minutes late
- Cancelled
- 1.5%
- Of scheduled flights
- Average delay when late
- 62 min
- Flights arriving 15+ minutes late
- Flights tracked
- 202
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 47%
- Air traffic control & airport 42%
- Airline (crew, maintenance, cleaning) 12%
- Extreme weather 0%
- 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 | 56.2% | 16 |
| October 2025 | 75.0% | 4 |
| December 2025 | 72.7% | 12 |
| January 2026 | 86.7% | 16 |
| February 2026 | 75.0% | 16 |
| March 2026 | 92.9% | 14 |
| April 2026 | 46.7% | 15 |
| May 2026 | 39.1% | 23 |
| June 2026 | 63.3% | 30 |
| July 2026 | 53.3% | 31 |
| August 2026 | 40.0% | 25 |
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