NK668
NK668 (Spirit Airlines) is a multi-stop service on 2 routes, busiest Las Vegas to Philadelphia. Of 91 departures recorded from March 2025 to February 2026, 78.6% left on time, according to the US BTS.
- On-time departures78.6%of 91 flights
- Average delay4.9 min
- February 202611
- Cancelled7.7%
- Legs flown under this number2
Recorded departures by month
Short series — NK668 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 | – | 18 | – |
| February | – | 11 | – |
| March | 26 | – | – |
| April | 30 | – | – |
| May | 6 | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → February 2026
On-time departures by month
Short series — NK668 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 | – | 76.5% | – |
| February | – | 66.7% | – |
| March | 79.2% | – | – |
| April | 86.2% | – | – |
| May | 60.0% | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → February 2026
Average departure delay by month
Short series — NK668 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 · March 2025 → February 2026
Cancelled departures by month
Short series — NK668 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 | – | 1 | – |
| February | – | 2 | – |
| March | 2 | – | – |
| April | 1 | – | – |
| May | 1 | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → February 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 92.3% 84
- Cancelled 7.7% 7
Share of all recorded flights in the period, all legs. · Mar 5, 2025 → Feb 11, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| LAS PHL Harry Reid International Airport – Philadelphia International Airport | 3,494 | 2.3 min | 81.0% | 62 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 26 | 24 | 79.2% | 2 |
| April 2025 | 30 | 29 | 86.2% | 1 |
| May 2025 | 6 | 5 | 60.0% | 1 |
| January 2026 | 18 | 17 | 76.5% | 1 |
| February 2026 | 11 | 9 | 66.7% | 2 |