NK556
NK556 (Spirit Airlines) is a multi-stop service on 6 routes, busiest New Orleans to Houston. Of 140 departures recorded from January 2025 to May 2026, 83.3% left on time, according to the US BTS.
- On-time departures83.3%of 140 flights
- Average delay9.9 min
- May 20261▼ 80.0%vs May 2025
- Cancelled1.4%
- Legs flown under this number6
Recorded departures by month
Short series — NK556 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 | 7 | 3 | ▼ 57.1% |
| February | 16 | – | – |
| March | 28 | – | – |
| April | 27 | 15 | ▼ 44.4% |
| May | 5 | 1 | ▼ 80.0% |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 23 | – | – |
| December | 15 | – | – |
according to the US BTS · January 2025 → May 2026
On-time departures by month
Short series — NK556 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 | 85.7% | 66.7% | ▼ 22.2% |
| February | 81.3% | – | – |
| March | 71.4% | – | – |
| April | 96.3% | 93.3% | ▼ 3.1% |
| May | 100.0% | 100.0% | 0.0% |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 68.2% | – | – |
| December | 92.9% | – | – |
according to the US BTS · January 2025 → May 2026
Average departure delay by month
Short series — NK556 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 → May 2026
Cancelled departures by month
Short series — NK556 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 | – | – |
| March | 0 | – | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
according to the US BTS · January 2025 → 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 98.6% 138
- Cancelled 1.4% 2
Share of all recorded flights in the period, all legs. · Jan 9, 2025 → May 1, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| MSY IAH Louis Armstrong New Orleans International Airport – George Bush Intercontinental Airport | 489 | 7.2 min | 84.5% | 58 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| January 2025 | 7 | 7 | 85.7% | 0 |
| February 2025 | 16 | 16 | 81.3% | 0 |
| March 2025 | 28 | 28 | 71.4% | 0 |
| April 2025 | 27 | 27 | 96.3% | 0 |
| May 2025 | 5 | 5 | 100.0% | 0 |
| November 2025 | 23 | 22 | 68.2% | 1 |
| December 2025 | 15 | 14 | 92.9% | 1 |
| January 2026 | 3 | 3 | 66.7% | 0 |
| April 2026 | 15 | 15 | 93.3% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |