Flight F91850
Frontier Airlines flight F91850
Looking for F91850 in the air…
Alerts at this flight's airports
San Francisco (SFO) to Las Vegas (LAS)
Historically, this flight arrives 15+ minutes late 35% of the time, and when it is late the delay averages 81 minutes. It was cancelled 1.5% of the time.
- On-time arrivals
- 64.5%
- Less than 15 minutes late
- Cancelled
- 1.5%
- Of scheduled flights
- Average delay when late
- 81 min
- Flights arriving 15+ minutes late
- Flights tracked
- 206
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 68%
- Air traffic control & airport 18%
- Airline (crew, maintenance, cleaning) 14%
- 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 | 55.6% | 9 |
| October 2025 | 55.6% | 9 |
| November 2025 | 77.3% | 22 |
| December 2025 | 90.0% | 31 |
| January 2026 | 85.7% | 8 |
| February 2026 | 75.0% | 4 |
| March 2026 | 100.0% | 1 |
| April 2026 | 55.6% | 27 |
| May 2026 | 71.4% | 21 |
| June 2026 | 76.5% | 17 |
| July 2026 | 51.7% | 30 |
| August 2026 | 33.3% | 27 |
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