Flight F91588
Frontier Airlines flight F91588
Looking for F91588 in the air…
Denver (DEN) to Tulsa (TUL)
Historically, this flight arrives 15+ minutes late 23% of the time, and when it is late the delay averages 76 minutes. It was cancelled 0.0% of the time.
- On-time arrivals
- 76.7%
- Less than 15 minutes late
- Cancelled
- 0.0%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 43
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 68%
- Airline (crew, maintenance, cleaning) 20%
- Air traffic control & airport 12%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Oct 2025
Apr 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| October 2025 | 50.0% | 6 |
| November 2025 | 75.0% | 8 |
| December 2025 | 100.0% | 6 |
| January 2026 | 80.0% | 5 |
| February 2026 | 80.0% | 5 |
| March 2026 | 77.8% | 9 |
| April 2026 | 75.0% | 4 |
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