NK428
NK428 (Spirit Airlines) is a multi-stop service on 5 routes, busiest San Jose to San Diego. Of 138 departures recorded from October 2024 to June 2025, 78.8% left on time, according to the US BTS.
- On-time departures78.8%of 138 flights
- Average delay12.4 min
- June 20258
- Cancelled0.7%
- Legs flown under this number5
Recorded departures by month
Short series — NK428 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 2024 | Departures 2025 | Change vs last year |
|---|---|---|---|
| January | – | 8 | – |
| February | – | – | – |
| March | – | 19 | – |
| April | – | 23 | – |
| May | – | 5 | – |
| June | – | 8 | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 20 | – | – |
| November | 24 | – | – |
| December | 31 | – | – |
according to the US BTS · October 2024 → June 2025
On-time departures by month
Short series — NK428 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 2024 | On time 2025 | Change vs last year |
|---|---|---|---|
| January | – | 100.0% | – |
| February | – | – | – |
| March | – | 73.7% | – |
| April | – | 82.6% | – |
| May | – | 40.0% | – |
| June | – | 75.0% | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 75.0% | – | – |
| November | 87.5% | – | – |
| December | 77.4% | – | – |
according to the US BTS · October 2024 → June 2025
Average departure delay by month
Short series — NK428 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 · October 2024 → June 2025
Cancelled departures by month
Short series — NK428 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 2024 | Cancelled 2025 | Change vs last year |
|---|---|---|---|
| January | – | 1 | – |
| February | – | – | – |
| March | – | 0 | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | 0 | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | 0 | – | – |
| November | 0 | – | – |
| December | 0 | – | – |
according to the US BTS · October 2024 → June 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% 137
- Cancelled 0.7% 1
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jun 11, 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 |
|---|---|---|---|---|
| SJC SAN Mineta San Jose International Airport – San Diego International Airport | 671 | 11.1 min | 81.5% | 82 |
| EWR MCO Newark Liberty International Airport – Orlando International Airport | 1,511 | 13.7 min | 74.5% | 47 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 75.0% | 0 |
| November 2024 | 24 | 24 | 87.5% | 0 |
| December 2024 | 31 | 31 | 77.4% | 0 |
| January 2025 | 8 | 7 | 100.0% | 1 |
| March 2025 | 19 | 19 | 73.7% | 0 |
| April 2025 | 23 | 23 | 82.6% | 0 |
| May 2025 | 5 | 5 | 40.0% | 0 |
| June 2025 | 8 | 8 | 75.0% | 0 |