Flight Reliability
F9 1215 · Frontier Airlines
Boston → Tampa (BOS–TPA)
79
Usually Fine
WanderNerd Reliability Score
- 84%
- Arrive within 15 minutes
- 5 min
- Average arrival delay
- 3.2%
- Cancelled
- 10 min early
- Median arrival delay
Based on 94 historical flights. Data through May 2026.
What the data says
The 6–9 AM departure wins.
F9 1215 departing between 6–9 AM arrived on time 87% of the time, versus 76% between 9 AM–12 PM.
Sunday scaries are real for this one.
F9 1215 arrived on time 100% of the time on Fridays and just 67% on Sundays. That gap is worth planning around.
Better than the BOS–TPA route average.
F9 1215 arrived on time 84% of the time, versus 75% across the BOS–TPA route.
Better than the Frontier Airlines network average.
F9 1215 arrived on time 84% of the time, versus 73% across the Frontier Airlines network.
The breakdown
- Mon82%(11 flights)
- Tue—(9 flights)
- Wed—(9 flights)
- Thu82%(17 flights)
- Fri100%(11 flights)
- Sat94%(16 flights)
- Sun67%(18 flights)
- 6–9 AM87%(68 flights)
- 9 AM–12 PM76%(21 flights)
- 12–3 PM—(2 flights)
91%
Sep
Jun 91% → Sep 91% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 91% | 23 |
| July 2025 | 80% | 30 |
| August 2025 | 79% | 24 |
| September 2025 | 91% | 11 |
- Departures on time
- 78%
- Diverted
- 0%
- Flights flown
- 91
- Months covered
- 5
Same route, other flights
Keep nerding
Based on 94 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.