NK554
NK554 (Spirit Airlines) is a multi-stop service on 5 routes, busiest Las Vegas to Houston. Of 144 departures recorded from January 2025 to January 2026, 76.8% left on time, according to the US BTS.
- On-time departures76.8%of 144 flights
- Average delay10.7 min
- January 20267▼ 50.0%vs January 2025
- Cancelled1.4%
- Legs flown under this number5
Recorded departures by month
Short series — NK554 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 | 7 | ▼ 50.0% |
| February | 16 | – | – |
| March | 29 | – | – |
| April | 29 | – | – |
| May | 5 | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 28 | – | – |
| December | 16 | – | – |
| Year to date (Jan–Jan) | 14 | 7 | ▼ 50.0% |
according to the US BTS · January 2025 → January 2026
On-time departures by month
Short series — NK554 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 | 85.7% | 66.7% | ▼ 22.2% |
| February | 87.5% | – | – |
| March | 86.2% | – | – |
| April | 86.2% | – | – |
| May | 60.0% | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 63.0% | – | – |
| December | 56.3% | – | – |
| Year-to-date average (Jan–Jan) | 85.7% | 66.7% | ▼ 22.2% |
according to the US BTS · January 2025 → January 2026
Average departure delay by month
Short series — NK554 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 · January 2025 → January 2026
Cancelled departures by month
Short series — NK554 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 | 0 | 1 | – |
| February | 0 | – | – |
| March | 0 | – | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jan) | 0 | 1 |
according to the US BTS · January 2025 → January 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 98.6% 142
- Cancelled 1.4% 2
Share of all recorded flights in the period, all legs. · Jan 9, 2025 → Jan 7, 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 |
|---|---|---|---|---|
| LAS IAH Harry Reid International Airport – George Bush Intercontinental Airport | 1,963 | 6.8 min | 83.6% | 61 |
| IAH TPA George Bush Intercontinental Airport – Tampa International Airport | 1,265 | 0.9 min | 87.5% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| January 2025 | 14 | 14 | 85.7% | 0 |
| February 2025 | 16 | 16 | 87.5% | 0 |
| March 2025 | 29 | 29 | 86.2% | 0 |
| April 2025 | 29 | 29 | 86.2% | 0 |
| May 2025 | 5 | 5 | 60.0% | 0 |
| November 2025 | 28 | 27 | 63.0% | 1 |
| December 2025 | 16 | 16 | 56.3% | 0 |
| January 2026 | 7 | 6 | 66.7% | 1 |