F91435
F91435 (Frontier Airlines) flies Boston to Miami. Of 70 departures recorded from December 2024 to April 2025, 75.7% left on time, according to the US BTS.
Recorded departures by month
Short series — F91435 has only 5 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods5 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | 17 | – |
| February | – | 15 | – |
| March | – | 18 | – |
| April | – | 11 | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | – |
| November | – | – | – |
| December | 9 | – | – |
according to the US BTS · December 2024 → April 2025
On-time departures by month
Short series — F91435 has only 5 months so far. Enough to show the level now, not enough to read a trend.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods5 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | 70.6% | – |
| February | – | 80.0% | – |
| March | – | 77.8% | – |
| April | – | 100.0% | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | – |
| November | – | – | – |
| December | 44.4% | – | – |
according to the US BTS · December 2024 → April 2025
Average departure delay by month
Short series — F91435 has only 5 months so far. Enough to show the level now, not enough to read a trend.
according to the US BTS · December 2024 → April 2025
Cancelled departures by month
Short series — F91435 has only 5 months so far. Enough to show the level now, not enough to read a trend.
The most recent periods5 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | 0 | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | – |
| November | – | – | – |
| December | 0 | – | – |
according to the US BTS · December 2024 → April 2025
This is a historical record of departures already flown, not a forecast for your flight.
Cancellation share
- Not cancelled 100.0% 70
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Dec 17, 2024 → Apr 20, 2025
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS MIA Boston Logan International Airport – Miami International Airport | 2,028 | 11.9 min | 75.7% | 70 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| December 2024 | 9 | 9 | 44.4% | 0 |
| January 2025 | 17 | 17 | 70.6% | 0 |
| February 2025 | 15 | 15 | 80.0% | 0 |
| March 2025 | 18 | 18 | 77.8% | 0 |
| April 2025 | 11 | 11 | 100.0% | 0 |