NK1681
NK1681 (Spirit Airlines) is a multi-stop service on 5 routes, busiest Fort Lauderdale to Indianapolis. Of 189 departures recorded from January 2025 to April 2026, 67.6% left on time, according to the US BTS.
- On-time departures67.6%of 189 flights
- Average delay20.4 min
- April 202613
- Cancelled2.1%
- Legs flown under this number5
Recorded departures by month
Short series — NK1681 has only 10 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 periods10 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 20 | 18 | ▼ 10.0% |
| February | 26 | 24 | ▼ 7.7% |
| March | 4 | 31 | ▲ 675.0% |
| April | – | 13 | – |
| May | – | – | – |
| June | – | – | – |
| July | 23 | – | – |
| August | 12 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 18 | – | – |
| December | – | – | – |
according to the US BTS · January 2025 → April 2026
On-time departures by month
Short series — NK1681 has only 10 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 periods10 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 83.3% | ▼ 16.7% |
| February | 76.9% | 43.5% | ▼ 43.5% |
| March | 100.0% | 37.9% | ▼ 62.1% |
| April | – | 33.3% | – |
| May | – | – | – |
| June | – | – | – |
| July | 95.7% | – | – |
| August | 66.7% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 61.1% | – | – |
| December | – | – | – |
according to the US BTS · January 2025 → April 2026
Average departure delay by month
Short series — NK1681 has only 10 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 → April 2026
Cancelled departures by month
Short series — NK1681 has only 10 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods10 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | 1 | – |
| March | 0 | 2 | – |
| April | – | 1 | – |
| May | – | – | – |
| June | – | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | – | – | – |
according to the US BTS · January 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 97.9% 185
- Cancelled 2.1% 4
Share of all recorded flights in the period, all legs. · Jan 9, 2025 → Apr 13, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
4| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| FLL IND Fort Lauderdale Hollywood International Airport – Indianapolis International Airport | 1,621 | 31.0 min | 60.8% | 53 |
| LGA ORD LaGuardia Airport – Chicago O'Hare International Airport | 1,177 | 0.3 min | 88.0% | 50 |
| LAS SEA Harry Reid International Airport – Seattle–Tacoma International Airport | 1,395 | 2.7 min | 85.7% | 35 |
| FLL SJU Fort Lauderdale Hollywood International Airport – Luis Munoz Marin International Airport | 1,684 | 44.6 min | 29.0% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| January 2025 | 20 | 20 | 100.0% | 0 |
| February 2025 | 26 | 26 | 76.9% | 0 |
| March 2025 | 4 | 4 | 100.0% | 0 |
| July 2025 | 23 | 23 | 95.7% | 0 |
| August 2025 | 12 | 12 | 66.7% | 0 |
| November 2025 | 18 | 18 | 61.1% | 0 |
| January 2026 | 18 | 18 | 83.3% | 0 |
| February 2026 | 24 | 23 | 43.5% | 1 |
| March 2026 | 31 | 29 | 37.9% | 2 |
| April 2026 | 13 | 12 | 33.3% | 1 |