NK1257
NK1257 (Spirit Airlines) is a multi-stop service on 3 routes, busiest Newark to Houston. Of 117 departures recorded from April 2025 to April 2026, 70.8% left on time, according to the US BTS.
- On-time departures70.8%of 117 flights
- Average delay22.7 min
- April 202614▼ 26.3%vs April 2025
- Cancelled9.4%
- Legs flown under this number3
Recorded departures by month
Short series — NK1257 has only 8 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 periods8 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 14 | – |
| February | – | 24 | – |
| March | – | 31 | – |
| April | 19 | 14 | ▼ 26.3% |
| May | 5 | – | – |
| June | – | – | – |
| July | 7 | – | – |
| August | 3 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → April 2026
On-time departures by month
Short series — NK1257 has only 8 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 periods8 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 91.7% | – |
| February | – | 47.6% | – |
| March | – | 64.3% | – |
| April | 89.5% | 45.5% | ▼ 49.2% |
| May | 80.0% | – | – |
| June | – | – | – |
| July | 100.0% | – | – |
| August | 100.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → April 2026
Average departure delay by month
Short series — NK1257 has only 8 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 · April 2025 → April 2026
Cancelled departures by month
Short series — NK1257 has only 8 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods8 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 2 | – |
| February | – | 3 | – |
| March | – | 3 | – |
| April | 0 | 3 | – |
| May | 0 | – | – |
| June | – | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · April 2025 → 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 90.6% 106
- Cancelled 9.4% 11
Share of all recorded flights in the period, all legs. · Apr 9, 2025 → Apr 14, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| EWR IAH Newark Liberty International Airport – George Bush Intercontinental Airport | 2,250 | 33.4 min | 61.1% | 83 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| April 2025 | 19 | 19 | 89.5% | 0 |
| May 2025 | 5 | 5 | 80.0% | 0 |
| July 2025 | 7 | 7 | 100.0% | 0 |
| August 2025 | 3 | 3 | 100.0% | 0 |
| January 2026 | 14 | 12 | 91.7% | 2 |
| February 2026 | 24 | 21 | 47.6% | 3 |
| March 2026 | 31 | 28 | 64.3% | 3 |
| April 2026 | 14 | 11 | 45.5% | 3 |