NK155
NK155 (Spirit Airlines) is a multi-stop service on 4 routes, busiest Los Angeles to Chicago. Of 106 departures recorded from January 2025 to January 2026, 68.0% left on time, according to the US BTS.
- On-time departures68.0%of 106 flights
- Average delay26.4 min
- January 20266▼ 57.1%vs January 2025
- Cancelled5.7%
- Legs flown under this number4
Recorded departures by month
Short series — NK155 has only 7 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 periods7 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 14 | 6 | ▼ 57.1% |
| February | 6 | – | – |
| March | – | – | – |
| April | 15 | – | – |
| May | 5 | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 29 | – | – |
| December | 31 | – | – |
| Year to date (Jan–Jan) | 14 | 6 | ▼ 57.1% |
according to the US BTS · January 2025 → January 2026
On-time departures by month
Short series — NK155 has only 7 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 periods7 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 76.9% | 40.0% | ▼ 48.0% |
| February | 100.0% | – | – |
| March | – | – | – |
| April | 80.0% | – | – |
| May | 75.0% | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 51.7% | – | – |
| December | 71.4% | – | – |
| Year-to-date average (Jan–Jan) | 76.9% | 40.0% | ▼ 48.0% |
according to the US BTS · January 2025 → January 2026
Average departure delay by month
Short series — NK155 has only 7 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 → January 2026
Cancelled departures by month
Short series — NK155 has only 7 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods7 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 1 | 1 | 0.0% |
| February | 0 | – | – |
| March | – | – | – |
| April | 0 | – | – |
| May | 1 | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 0 | – | – |
| December | 3 | – | – |
| Year to date (Jan–Jan) | 1 | 1 | 0.0% |
according to the US BTS · January 2025 → 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 94.3% 100
- Cancelled 5.7% 6
Share of all recorded flights in the period, all legs. · Jan 9, 2025 → Jan 6, 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 |
|---|---|---|---|---|
| LAX ORD Los Angeles International Airport – Chicago O'Hare International Airport | 2,802 | 49.2 min | 66.7% | 34 |
| ATL FLL Hartsfield Jackson Atlanta International Airport – Fort Lauderdale Hollywood International Airport | 936 | 24.8 min | 53.1% | 32 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| January 2025 | 14 | 13 | 76.9% | 1 |
| February 2025 | 6 | 6 | 100.0% | 0 |
| April 2025 | 15 | 15 | 80.0% | 0 |
| May 2025 | 5 | 4 | 75.0% | 1 |
| November 2025 | 29 | 29 | 51.7% | 0 |
| December 2025 | 31 | 28 | 71.4% | 3 |
| January 2026 | 6 | 5 | 40.0% | 1 |