Flight F91631
Frontier Airlines flight F91631
Looking for F91631 in the air…
Orlando (MCO) to St Louis (STL)
Historically, this flight arrives 15+ minutes late 18% of the time, and when it is late the delay averages 89 minutes. It was cancelled 1.0% of the time.
- On-time arrivals
- 82.0%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 89 min
- Flights arriving 15+ minutes late
- Flights tracked
- 101
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 50%
- Late-arriving aircraft 28%
- Air traffic control & airport 13%
- Extreme weather 9%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Sep 2025
Jul 2026
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 76.9% | 13 |
| October 2025 | 63.6% | 11 |
| November 2025 | 81.2% | 16 |
| December 2025 | 70.0% | 10 |
| January 2026 | 92.3% | 13 |
| February 2026 | 100.0% | 9 |
| March 2026 | 89.5% | 20 |
| April 2026 | 80.0% | 5 |
| June 2026 | 100.0% | 3 |
| July 2026 | 0.0% | 1 |
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