NK1740
NK1740 (Spirit Airlines) is a multi-stop service on 3 routes, busiest Boston to Fort Lauderdale. Of 131 departures recorded from July 2025 to April 2026, 81.4% left on time, according to the US BTS.
- On-time departures81.4%of 131 flights
- Average delay15.4 min
- April 202628
- Cancelled9.9%
- Legs flown under this number3
Recorded departures by month
Short series — NK1740 has only 6 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 periods6 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | 24 | – |
| February | – | 28 | – |
| March | – | 31 | – |
| April | – | 28 | – |
| May | – | – | – |
| June | – | – | – |
| July | 13 | – | – |
| August | 7 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · July 2025 → April 2026
On-time departures by month
Short series — NK1740 has only 6 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 periods6 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | 81.8% | – |
| February | – | 79.2% | – |
| March | – | 84.0% | – |
| April | – | 74.1% | – |
| May | – | – | – |
| June | – | – | – |
| July | 84.6% | – | – |
| August | 100.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · July 2025 → April 2026
Average departure delay by month
Short series — NK1740 has only 6 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 · July 2025 → April 2026
Cancelled departures by month
Short series — NK1740 has only 6 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods6 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | 2 | – |
| February | – | 4 | – |
| March | – | 6 | – |
| April | – | 1 | – |
| May | – | – | – |
| June | – | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · July 2025 → April 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 90.1% 118
- Cancelled 9.9% 13
Share of all recorded flights in the period, all legs. · Jul 9, 2025 → Apr 28, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BOS FLL Boston Logan International Airport – Fort Lauderdale Hollywood International Airport | 1,994 | 19.4 min | 79.8% | 97 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| July 2025 | 13 | 13 | 84.6% | 0 |
| August 2025 | 7 | 7 | 100.0% | 0 |
| January 2026 | 24 | 22 | 81.8% | 2 |
| February 2026 | 28 | 24 | 79.2% | 4 |
| March 2026 | 31 | 25 | 84.0% | 6 |
| April 2026 | 28 | 27 | 74.1% | 1 |