NK1909
NK1909 (Spirit Airlines) is a multi-stop service on 4 routes, busiest Tampa to Boston. Of 100 departures recorded from October 2024 to December 2025, 78.6% left on time, according to the US BTS.
- On-time departures78.6%of 100 flights
- Average delay13.4 min
- December 20253▼ 88.0%vs December 2024
- Cancelled2.0%
- Legs flown under this number4
Recorded departures by month
Short series — NK1909 has only 6 months so far. Enough to show the level now, not enough to read a trend.
All legs under this number combined; see the leg table.
Months without data are left blank.
The most recent periods6 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | 8 | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 13 | – | – |
| November | 23 | 28 | ▲ 21.7% |
| December | 25 | 3 | ▼ 88.0% |
according to the US BTS · October 2024 → December 2025
On-time departures by month
Short series — NK1909 has only 6 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods6 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | 62.5% | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 91.7% | – | – |
| November | 82.6% | 78.6% | ▼ 4.9% |
| December | 75.0% | 66.7% | ▼ 11.1% |
according to the US BTS · October 2024 → December 2025
Average departure delay by month
Short series — NK1909 has only 6 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
according to the US BTS · October 2024 → December 2025
Cancelled departures by month
Short series — NK1909 has only 6 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods6 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 1 | – | – |
| November | 0 | 0 | – |
| December | 1 | 0 | ▼ 100.0% |
according to the US BTS · October 2024 → December 2025
This is a historical record of departures already flown, not a forecast for your flight.
Several legs: the headline figure averages all of them. See the leg table.
Cancellation share
- Not cancelled 98.0% 98
- Cancelled 2.0% 2
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Dec 3, 2025
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| TPA BOS Tampa International Airport – Boston Logan International Airport | 1,908 | 13.3 min | 74.5% | 52 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 12 | 91.7% | 1 |
| November 2024 | 23 | 23 | 82.6% | 0 |
| December 2024 | 25 | 24 | 75.0% | 1 |
| January 2025 | 8 | 8 | 62.5% | 0 |
| November 2025 | 28 | 28 | 78.6% | 0 |
| December 2025 | 3 | 3 | 66.7% | 0 |