NK1621
NK1621 (Spirit Airlines) is a multi-stop service on 4 routes, busiest Burbank to Las Vegas. Of 126 departures recorded from January 2025 to May 2026, 93.4% left on time, according to the US BTS.
- On-time departures93.4%of 126 flights
- Average delay0.6 min
- May 20261
- Cancelled4.0%
- Legs flown under this number4
Recorded departures by month
Short series — NK1621 has only 9 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 periods9 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 22 | 14 | ▼ 36.4% |
| February | 11 | 21 | ▲ 90.9% |
| March | – | 26 | – |
| April | – | 21 | – |
| May | – | 1 | – |
| June | – | – | – |
| July | 7 | – | – |
| August | 3 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · January 2025 → May 2026
On-time departures by month
Short series — NK1621 has only 9 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 periods9 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 92.9% | ▼ 7.1% |
| February | 90.9% | 95.0% | ▲ 4.5% |
| March | – | 91.7% | – |
| April | – | 89.5% | – |
| May | – | 0.0% | – |
| June | – | – | – |
| July | 100.0% | – | – |
| August | 100.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · January 2025 → May 2026
Average departure delay by month
Short series — NK1621 has only 9 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 → May 2026
Cancelled departures by month
Short series — NK1621 has only 9 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods9 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 1 | – |
| March | – | 2 | – |
| April | – | 2 | – |
| May | – | 0 | – |
| June | – | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · January 2025 → May 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 96.0% 121
- Cancelled 4.0% 5
Share of all recorded flights in the period, all legs. · Jan 10, 2025 → May 1, 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 |
|---|---|---|---|---|
| BUR LAS Hollywood Burbank/Bob Hope Airport – Harry Reid International Airport | 359 | 1.7 min | 94.2% | 74 |
| SAT MCO San Antonio International Airport – Orlando International Airport | 1,672 | -1.0 min | 97.0% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| January 2025 | 22 | 22 | 100.0% | 0 |
| February 2025 | 11 | 11 | 90.9% | 0 |
| July 2025 | 7 | 7 | 100.0% | 0 |
| August 2025 | 3 | 3 | 100.0% | 0 |
| January 2026 | 14 | 14 | 92.9% | 0 |
| February 2026 | 21 | 20 | 95.0% | 1 |
| March 2026 | 26 | 24 | 91.7% | 2 |
| April 2026 | 21 | 19 | 89.5% | 2 |
| May 2026 | 1 | 1 | 0.0% | 0 |