Flight F91093
Frontier Airlines flight F91093
Looking for F91093 in the air…
Alerts at this flight's airports
Denver (DEN) to San Francisco (SFO)
Historically, this flight arrives 15+ minutes late 42% of the time, and when it is late the delay averages 72 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 58.4%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 72 min
- Flights arriving 15+ minutes late
- Flights tracked
- 197
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 63%
- Late-arriving aircraft 23%
- Airline (crew, maintenance, cleaning) 11%
- Extreme weather 3%
- 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 | 84.6% | 13 |
| October 2025 | 84.6% | 13 |
| November 2025 | 30.0% | 10 |
| December 2025 | 33.3% | 3 |
| January 2026 | 92.9% | 14 |
| February 2026 | 91.7% | 12 |
| March 2026 | 88.9% | 27 |
| April 2026 | 50.0% | 20 |
| May 2026 | 50.0% | 26 |
| June 2026 | 40.0% | 20 |
| July 2026 | 13.6% | 22 |
| August 2026 | 41.2% | 17 |
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