NK3906
NK3906 (Spirit Airlines) is a multi-stop service on 4 routes, busiest Tampa to San Juan. Of 68 departures recorded from December 2024 to April 2026, 76.7% left on time, according to the US BTS.
- On-time departures76.7%of 68 flights
- Average delay14.9 min
- April 202614▲ 250.0%vs April 2025
- Cancelled11.8%
- Legs flown under this number4
Recorded departures by month
Short series — NK3906 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 periods5 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 6 | – |
| March | 11 | 31 | ▲ 181.8% |
| April | 4 | 14 | ▲ 250.0% |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · December 2024 → April 2026
On-time departures by month
Short series — NK3906 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 periods5 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 100.0% | – |
| March | 70.0% | 73.1% | ▲ 4.4% |
| April | 50.0% | 91.7% | ▲ 83.3% |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · December 2024 → April 2026
Average departure delay by month
Short series — NK3906 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 · December 2024 → April 2026
Cancelled departures by month
Short series — NK3906 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 periods5 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | 0 | – |
| March | 1 | 5 | ▲ 400.0% |
| April | 0 | 2 | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · December 2024 → April 2026
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 88.2% 60
- Cancelled 11.8% 8
Share of all recorded flights in the period, all legs. · Dec 4, 2024 → Apr 14, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| TPA SJU Tampa International Airport – Luis Munoz Marin International Airport | 1,991 | 4.0 min | 81.8% | 51 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| December 2024 | 2 | 2 | 50.0% | 0 |
| March 2025 | 11 | 10 | 70.0% | 1 |
| April 2025 | 4 | 4 | 50.0% | 0 |
| February 2026 | 6 | 6 | 100.0% | 0 |
| March 2026 | 31 | 26 | 73.1% | 5 |
| April 2026 | 14 | 12 | 91.7% | 2 |