NK438
NK438 (Spirit Airlines) is a multi-stop service on 4 routes, busiest Memphis to Las Vegas. Of 141 departures recorded from October 2024 to May 2025, 89.3% left on time, according to the US BTS.
- On-time departures89.3%of 141 flights
- Average delay5.7 min
- May 20256
- Cancelled0.7%
- Legs flown under this number4
Recorded departures by month
Short series — NK438 has only 7 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 periods7 periods
| Period | Departures 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | 8 | – |
| February | – | – | – |
| March | – | 27 | – |
| April | – | 30 | – |
| May | – | 6 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 20 | – | – |
| November | 24 | – | – |
| December | 26 | – | – |
according to the US BTS · October 2024 → May 2025
On-time departures by month
Short series — NK438 has only 7 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 periods7 periods
| Period | On time 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | 75.0% | – |
| February | – | – | – |
| March | – | 88.9% | – |
| April | – | 93.1% | – |
| May | – | 100.0% | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 95.0% | – | – |
| November | 87.5% | – | – |
| December | 84.6% | – | – |
according to the US BTS · October 2024 → May 2025
Average departure delay by month
Short series — NK438 has only 7 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 → May 2025
Cancelled departures by month
Short series — NK438 has only 7 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods7 periods
| Period | Cancelled 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | 0 | – |
| February | – | – | – |
| March | – | 0 | – |
| April | – | 1 | – |
| May | – | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | – |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → 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 99.3% 140
- Cancelled 0.7% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → May 6, 2025
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MEM LAS Frederick W. Smith International Airport – Harry Reid International Airport | 2,274 | 8.4 min | 87.2% | 78 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 95.0% | 0 |
| November 2024 | 24 | 24 | 87.5% | 0 |
| December 2024 | 26 | 26 | 84.6% | 0 |
| January 2025 | 8 | 8 | 75.0% | 0 |
| March 2025 | 27 | 27 | 88.9% | 0 |
| April 2025 | 30 | 29 | 93.1% | 1 |
| May 2025 | 6 | 6 | 100.0% | 0 |