Flight F91523
Frontier Airlines flight F91523
Looking for F91523 in the air…
St Louis (STL) to Dallas-Fort Worth (DFW)
Historically, this flight arrives 15+ minutes late 25% of the time, and when it is late the delay averages 265 minutes. It was cancelled 2.0% of the time.
- On-time arrivals
- 75.0%
- Less than 15 minutes late
- Cancelled
- 2.0%
- Of scheduled flights
- Average delay when late
- 265 min
- Flights arriving 15+ minutes late
- Flights tracked
- 50
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 44%
- Extreme weather 32%
- Late-arriving aircraft 22%
- Airline (crew, maintenance, cleaning) 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Apr 2026
Aug 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| April 2026 | 100.0% | 4 |
| May 2026 | 70.0% | 11 |
| June 2026 | 66.7% | 4 |
| July 2026 | 60.0% | 15 |
| August 2026 | 87.5% | 16 |
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