NK181
NK181 (Spirit Airlines) is a multi-stop service on 3 routes, busiest Las Vegas to Seattle. Of 96 departures recorded from January 2025 to January 2026, 69.9% left on time, according to the US BTS.
- On-time departures69.9%of 96 flights
- Average delay14.1 min
- January 20266▼ 73.9%vs January 2025
- Cancelled3.1%
- Legs flown under this number3
Recorded departures by month
Short series — NK181 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.
Months without data are left blank.
The most recent periods5 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 23 | 6 | ▼ 73.9% |
| February | 28 | – | – |
| March | 15 | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 24 | – | – |
| Year to date (Jan–Jan) | 23 | 6 | ▼ 73.9% |
according to the US BTS · January 2025 → January 2026
On-time departures by month
Short series — NK181 has only 5 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 periods5 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 82.6% | 20.0% | ▼ 75.8% |
| February | 85.7% | – | – |
| March | 85.7% | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 39.1% | – | – |
| Year-to-date average (Jan–Jan) | 82.6% | 20.0% | ▼ 75.8% |
according to the US BTS · January 2025 → January 2026
Average departure delay by month
Short series — NK181 has only 5 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 — NK181 has only 5 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods5 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | 0 | – | – |
| March | 1 | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 1 | – | – |
| 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 96.9% 93
- Cancelled 3.1% 3
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 SEA Harry Reid International Airport – Seattle–Tacoma International Airport | 1,395 | 4.1 min | 83.3% | 54 |
| FLL CLT Fort Lauderdale Hollywood International Airport – Charlotte Douglas International Airport | 1,019 | 33.9 min | 35.7% | 30 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| January 2025 | 23 | 23 | 82.6% | 0 |
| February 2025 | 28 | 28 | 85.7% | 0 |
| March 2025 | 15 | 14 | 85.7% | 1 |
| December 2025 | 24 | 23 | 39.1% | 1 |
| January 2026 | 6 | 5 | 20.0% | 1 |