NK549
NK549 (Spirit Airlines) is a multi-stop service on 2 routes, busiest Houston to Newark. Of 117 departures recorded from January 2025 to May 2025, 79.1% left on time, according to the US BTS.
- On-time departures79.1%of 117 flights
- Average delay19.0 min
- May 20256
- Cancelled1.7%
- Legs flown under this number2
Recorded departures by month
Short series — NK549 has only 5 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.
The most recent periods5 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | 23 | – |
| February | – | 28 | – |
| March | – | 30 | – |
| April | – | 30 | – |
| May | – | 6 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | – |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · January 2025 → May 2025
On-time departures by month
Short series — NK549 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 | – | 91.3% | – |
| February | – | 75.0% | – |
| March | – | 86.7% | – |
| April | – | 79.3% | – |
| May | – | 0.0% | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | – |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · January 2025 → May 2025
Average departure delay by month
Short series — NK549 has only 5 months so far. Enough to show the level now, not enough to read a trend.
according to the US BTS · January 2025 → May 2025
Cancelled departures by month
Short series — NK549 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 | – | 1 | – |
| May | – | 1 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | – |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · January 2025 → May 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 98.3% 115
- Cancelled 1.7% 2
Share of all recorded flights in the period, all legs. · Jan 9, 2025 → May 6, 2025
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 |
|---|---|---|---|---|
| IAH EWR George Bush Intercontinental Airport – Newark Liberty International Airport | 2,250 | 31.5 min | 75.4% | 63 |
| LAS OAK Harry Reid International Airport – Oakland San Francisco Bay Airport | 654 | 4.8 min | 83.3% | 54 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| January 2025 | 23 | 23 | 91.3% | 0 |
| February 2025 | 28 | 28 | 75.0% | 0 |
| March 2025 | 30 | 30 | 86.7% | 0 |
| April 2025 | 30 | 29 | 79.3% | 1 |
| May 2025 | 6 | 5 | 0.0% | 1 |