NK257
NK257 (Spirit Airlines) is a multi-stop service on 4 routes, busiest Raleigh to Newark. Of 145 departures recorded from January 2025 to May 2026, 64.4% left on time, according to the US BTS.
- On-time departures64.4%of 145 flights
- Average delay26.0 min
- May 20261
- Cancelled6.9%
- Legs flown under this number4
Recorded departures by month
Short series — NK257 has only 7 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 periods7 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 23 | – | – |
| February | 27 | 17 | ▼ 37.0% |
| March | 18 | 31 | ▲ 72.2% |
| April | – | 28 | – |
| May | – | 1 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · January 2025 → May 2026
On-time departures by month
Short series — NK257 has only 7 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 periods7 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 82.6% | – | – |
| February | 80.0% | 53.3% | ▼ 33.3% |
| March | 88.2% | 26.7% | ▼ 69.8% |
| April | – | 66.7% | – |
| May | – | 100.0% | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · January 2025 → May 2026
Average departure delay by month
Short series — NK257 has only 7 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 · January 2025 → May 2026
Cancelled departures by month
Short series — NK257 has only 7 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods7 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | – | – |
| February | 2 | 2 | 0.0% |
| March | 1 | 1 | 0.0% |
| April | – | 4 | – |
| May | – | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · January 2025 → May 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 93.1% 135
- Cancelled 6.9% 10
Share of all recorded flights in the period, all legs. · Jan 9, 2025 → May 1, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| RDU EWR Raleigh-Durham International Airport – Newark Liberty International Airport | 670 | 57.0 min | 32.7% | 62 |
| DTW LAX Detroit Metropolitan Wayne County Airport – Los Angeles International Airport | 3,178 | 7.0 min | 82.7% | 54 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| January 2025 | 23 | 23 | 82.6% | 0 |
| February 2025 | 27 | 25 | 80.0% | 2 |
| March 2025 | 18 | 17 | 88.2% | 1 |
| February 2026 | 17 | 15 | 53.3% | 2 |
| March 2026 | 31 | 30 | 26.7% | 1 |
| April 2026 | 28 | 24 | 66.7% | 4 |
| May 2026 | 1 | 1 | 100.0% | 0 |