NK138
NK138 (Spirit Airlines) is a multi-stop service on 2 routes, busiest Chicago to Tampa. Of 97 departures recorded from November 2024 to January 2026, 67.7% left on time, according to the US BTS.
- On-time departures67.7%of 97 flights
- Average delay22.1 min
- January 20267▼ 12.5%vs January 2025
- Cancelled1.0%
- Legs flown under this number2
Recorded departures by month
Short series — NK138 has only 5 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 periods3 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 8 | 7 | ▼ 12.5% |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jan) | 8 | 7 | ▼ 12.5% |
according to the US BTS · November 2024 → January 2026
On-time departures by month
Short series — NK138 has only 5 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 periods3 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 75.0% | 66.7% | ▼ 11.1% |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 28.6% | – | – |
| Year-to-date average (Jan–Jan) | 75.0% | 66.7% | ▼ 11.1% |
according to the US BTS · November 2024 → January 2026
Average departure delay by month
Short series — NK138 has only 5 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 · November 2024 → January 2026
Cancelled departures by month
Short series — NK138 has only 5 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods3 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 1 | – |
| February | – | – | – |
| March | – | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jan) | 0 | 1 |
according to the US BTS · November 2024 → January 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 99.0% 96
- Cancelled 1.0% 1
Share of all recorded flights in the period, all legs. · Nov 7, 2024 → Jan 7, 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 TPA Chicago O'Hare International Airport – Tampa International Airport | 1,631 | 8.7 min | 85.5% | 62 |
| FLL BWI Fort Lauderdale Hollywood International Airport – Baltimore/Washington International Thurgood Marshall Airport | 1,493 | 46.6 min | 35.3% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| November 2024 | 24 | 24 | 87.5% | 0 |
| December 2024 | 30 | 30 | 86.7% | 0 |
| January 2025 | 8 | 8 | 75.0% | 0 |
| December 2025 | 28 | 28 | 28.6% | 0 |
| January 2026 | 7 | 6 | 66.7% | 1 |