NK490
NK490 (Spirit Airlines) is a multi-stop service on 5 routes, busiest Houston to Las Vegas. Of 141 departures recorded from October 2024 to December 2025, 82.6% left on time, according to the US BTS.
- On-time departures82.6%of 141 flights
- Average delay5.7 min
- December 20253▲ 0.0%vs December 2024
- Cancelled2.1%
- Legs flown under this number5
Recorded departures by month
Short series — NK490 has only 10 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 periods10 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | 18 | – |
| April | – | 17 | – |
| May | – | 3 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | 16 | – |
| October | 20 | 20 | 0.0% |
| November | 30 | 11 | ▼ 63.3% |
| December | 3 | 3 | 0.0% |
according to the US BTS · October 2024 → December 2025
On-time departures by month
Short series — NK490 has only 10 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 periods10 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | 76.5% | – |
| April | – | 82.4% | – |
| May | – | 100.0% | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | 68.8% | – |
| October | 90.0% | 75.0% | ▼ 16.7% |
| November | 93.3% | 81.8% | ▼ 12.3% |
| December | 100.0% | 0.0% | ▼ 100.0% |
according to the US BTS · October 2024 → December 2025
Average departure delay by month
Short series — NK490 has only 10 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 — NK490 has only 10 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods10 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | – | 1 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | 0 | – |
| October | 0 | 0 | – |
| November | 0 | 0 | – |
| December | 0 | 2 | – |
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 97.9% 138
- Cancelled 2.1% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Dec 3, 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 LAS George Bush Intercontinental Airport – Harry Reid International Airport | 1,963 | -0.9 min | 92.5% | 53 |
| FLL TPA Fort Lauderdale Hollywood International Airport – Tampa International Airport | 317 | 15.7 min | 73.0% | 37 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 90.0% | 0 |
| November 2024 | 30 | 30 | 93.3% | 0 |
| December 2024 | 3 | 3 | 100.0% | 0 |
| March 2025 | 18 | 17 | 76.5% | 1 |
| April 2025 | 17 | 17 | 82.4% | 0 |
| May 2025 | 3 | 3 | 100.0% | 0 |
| September 2025 | 16 | 16 | 68.8% | 0 |
| October 2025 | 20 | 20 | 75.0% | 0 |
| November 2025 | 11 | 11 | 81.8% | 0 |
| December 2025 | 3 | 1 | 0.0% | 2 |