NK1
NK1 (Spirit Airlines) is a multi-stop service on 3 routes, busiest Chicago to Fort Lauderdale. Of 513 departures recorded from October 2024 to May 2026, 76.7% left on time, according to the US BTS.
- On-time departures76.7%of 513 flights
- Average delay16.6 min
- May 20261▼ 96.8%vs May 2025
- Cancelled2.3%
- Legs flown under this number3
Recorded departures by month
All legs under this number combined; see the leg table.
The most recent periods17 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 8 | 29 | ▲ 262.5% |
| February | 17 | 28 | ▲ 64.7% |
| March | 31 | 31 | 0.0% |
| April | 30 | 29 | ▼ 3.3% |
| May | 31 | 1 | ▼ 96.8% |
| June | 30 | – | – |
| July | 30 | – | – |
| August | 31 | – | – |
| September | 30 | – | – |
| October | 31 | – | in progress |
| November | 30 | – | – |
| December | 30 | – | – |
| Year to date (Jan–May) | 117 | 118 | ▲ 0.9% |
according to the US BTS · October 2024 → May 2026
On-time departures by month
On time = departure within 15 minutes of schedule. Non-cancelled flights with a recorded delay only.
The most recent periods17 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 87.5% | 59.3% | ▼ 32.3% |
| February | 70.6% | 48.2% | ▼ 31.8% |
| March | 96.8% | 6.7% | ▼ 93.1% |
| April | 90.0% | 55.6% | ▼ 38.3% |
| May | 74.2% | 100.0% | ▲ 34.8% |
| June | 90.0% | – | – |
| July | 92.9% | – | – |
| August | 93.6% | – | – |
| September | 93.3% | – | – |
| October | 96.8% | – | in progress |
| November | 96.4% | – | – |
| December | 64.3% | – | – |
| Year-to-date average (Jan–May) | 83.8% | 53.9% | ▼ 35.7% |
according to the US BTS · October 2024 → May 2026
Average departure delay by month
according to the US BTS · October 2024 → May 2026
Cancelled departures by month
The most recent periods17 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 2 | – |
| February | 0 | 1 | – |
| March | 0 | 1 | – |
| April | 0 | 2 | – |
| May | 0 | 0 | – |
| June | 0 | – | – |
| July | 2 | – | – |
| August | 0 | – | – |
| September | 0 | – | – |
| October | 0 | – | in progress |
| November | 2 | – | – |
| December | 2 | – | – |
| Year to date (Jan–May) | 0 | 6 |
according to the US BTS · October 2024 → 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 97.7% 501
- Cancelled 2.3% 12
Share of all recorded flights in the period, all legs. · Oct 13, 2024 → 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 |
|---|---|---|---|---|
| ORD FLL Chicago O'Hare International Airport – Fort Lauderdale Hollywood International Airport | 1,905 | 5.8 min | 87.2% | 281 |
| FLL ORD Fort Lauderdale Hollywood International Airport – Chicago O'Hare International Airport | 1,905 | 29.7 min | 63.7% | 231 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 11 | 11 | 100.0% | 0 |
| November 2024 | 25 | 25 | 80.0% | 0 |
| December 2024 | 30 | 30 | 73.3% | 0 |
| January 2025 | 8 | 8 | 87.5% | 0 |
| February 2025 | 17 | 17 | 70.6% | 0 |
| March 2025 | 31 | 31 | 96.8% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 31 | 31 | 74.2% | 0 |
| June 2025 | 30 | 30 | 90.0% | 0 |
| July 2025 | 30 | 28 | 92.9% | 2 |
| August 2025 | 31 | 31 | 93.6% | 0 |
| September 2025 | 30 | 30 | 93.3% | 0 |
| October 2025 | 31 | 31 | 96.8% | 0 |
| November 2025 | 30 | 28 | 96.4% | 2 |
| December 2025 | 30 | 28 | 64.3% | 2 |
| January 2026 | 29 | 27 | 59.3% | 2 |
| February 2026 | 28 | 27 | 48.2% | 1 |
| March 2026 | 31 | 30 | 6.7% | 1 |
| April 2026 | 29 | 27 | 55.6% | 2 |
| May 2026 | 1 | 1 | 100.0% | 0 |