NK397
NK397 (Spirit Airlines) is a multi-stop service on 4 routes, busiest San Juan to Baltimore. Of 152 departures recorded from January 2025 to May 2026, 78.4% left on time, according to the US BTS.
- On-time departures78.4%of 152 flights
- Average delay11.6 min
- May 20261
- Cancelled2.6%
- Legs flown under this number4
Recorded departures by month
Short series — NK397 has only 8 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 periods8 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 23 | 7 | ▼ 69.6% |
| February | 23 | – | – |
| March | 30 | – | – |
| April | 27 | 13 | ▼ 51.9% |
| May | – | 1 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 28 | – | – |
according to the US BTS · January 2025 → May 2026
On-time departures by month
Short series — NK397 has only 8 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 periods8 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 69.6% | 100.0% | ▲ 43.7% |
| February | 85.7% | – | – |
| March | 83.3% | – | – |
| April | 81.5% | 84.6% | ▲ 3.9% |
| May | – | 100.0% | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 61.5% | – | – |
according to the US BTS · January 2025 → May 2026
Average departure delay by month
Short series — NK397 has only 8 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 — NK397 has only 8 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods8 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 2 | – | – |
| March | 0 | – | – |
| April | 0 | 0 | – |
| May | – | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 2 | – | – |
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 97.4% 148
- Cancelled 2.6% 4
Share of all recorded flights in the period, all legs. · Jan 9, 2025 → May 1, 2026
On time, leg by leg
Departures within 15 minutes of schedule; small figure = departures recorded.
Legs flown under this number
3| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| SJU BWI Luis Munoz Marin International Airport – Baltimore/Washington International Thurgood Marshall Airport | 2,525 | 4.3 min | 81.5% | 54 |
| ORD MIA Chicago O'Hare International Airport – Miami International Airport | 1,930 | 15.9 min | 78.7% | 49 |
| MCO LGA Orlando International Airport – LaGuardia Airport | 1,531 | 22.2 min | 69.7% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| January 2025 | 23 | 23 | 69.6% | 0 |
| February 2025 | 23 | 21 | 85.7% | 2 |
| March 2025 | 30 | 30 | 83.3% | 0 |
| April 2025 | 27 | 27 | 81.5% | 0 |
| December 2025 | 28 | 26 | 61.5% | 2 |
| January 2026 | 7 | 7 | 100.0% | 0 |
| April 2026 | 13 | 13 | 84.6% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |