NK604
NK604 (Spirit Airlines) is a multi-stop service on 6 routes, busiest Fort Lauderdale to Charlotte. Of 160 departures recorded from February 2025 to May 2026, 73.9% left on time, according to the US BTS.
- On-time departures73.9%of 160 flights
- Average delay20.9 min
- May 20261▼ 83.3%vs May 2025
- Cancelled1.9%
- Legs flown under this number6
Recorded departures by month
Short series — NK604 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 | – | 7 | – |
| February | 9 | – | – |
| March | 31 | – | – |
| April | 30 | 16 | ▼ 46.7% |
| May | 6 | 1 | ▼ 83.3% |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
according to the US BTS · February 2025 → May 2026
On-time departures by month
Short series — NK604 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 | – | 85.7% | – |
| February | 88.9% | – | – |
| March | 74.2% | – | – |
| April | 70.0% | 75.0% | ▲ 7.1% |
| May | 83.3% | 0.0% | ▼ 100.0% |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 59.3% | – | – |
| December | 83.3% | – | – |
according to the US BTS · February 2025 → May 2026
Average departure delay by month
Short series — NK604 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 · February 2025 → May 2026
Cancelled departures by month
Short series — NK604 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 | – |
| February | 0 | – | – |
| March | 0 | – | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 2 | – | – |
| December | 1 | – | – |
according to the US BTS · February 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 98.1% 157
- Cancelled 1.9% 3
Share of all recorded flights in the period, all legs. · Feb 20, 2025 → May 1, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| FLL CLT Fort Lauderdale Hollywood International Airport – Charlotte Douglas International Airport | 1,019 | 26.4 min | 71.4% | 63 |
| LAX EWR Los Angeles International Airport – Newark Liberty International Airport | 3,941 | 6.0 min | 88.2% | 35 |
| EWR IND Newark Liberty International Airport – Indianapolis International Airport | 1,035 | 41.6 min | 55.2% | 31 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| February 2025 | 9 | 9 | 88.9% | 0 |
| March 2025 | 31 | 31 | 74.2% | 0 |
| April 2025 | 30 | 30 | 70.0% | 0 |
| May 2025 | 6 | 6 | 83.3% | 0 |
| November 2025 | 29 | 27 | 59.3% | 2 |
| December 2025 | 31 | 30 | 83.3% | 1 |
| January 2026 | 7 | 7 | 85.7% | 0 |
| April 2026 | 16 | 16 | 75.0% | 0 |
| May 2026 | 1 | 1 | 0.0% | 0 |