Flight Reliability
F9 1645 · Frontier Airlines
Orlando → San Francisco (MCO–SFO)
75
Usually Fine
WanderNerd Reliability Score
- 78%
- Arrive within 15 minutes
- 8 min
- Average arrival delay
- 2.7%
- Cancelled
- 4 min early
- Median arrival delay
Based on 75 historical flights. Data through May 2026.
What the data says
Mondays have been rough.
F9 1645 arrived on time 82% of the time on Thursdays and just 60% on Mondays. That gap is worth planning around.
A bit ahead of the Frontier Airlines network.
F9 1645 arrived on time 78% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon60%(10 flights)
- Tue—(9 flights)
- Wed—(9 flights)
- Thu82%(11 flights)
- Fri64%(11 flights)
- Sat82%(11 flights)
- Sun75%(12 flights)
82%
Aug
Jun 62% → Aug 82% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 62% | 26 |
| July 2025 | 90% | 30 |
| August 2025 | 82% | 17 |
- Departures on time
- 89%
- Diverted
- 0%
- Flights flown
- 73
- Months covered
- 3
Same route, other flights
Keep nerding
Based on 75 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.