NK1377
NK1377 (Spirit Airlines) is a multi-stop service on 3 routes, busiest Baltimore to San Juan. Of 88 departures recorded from January 2025 to May 2026, 67.8% left on time, according to the US BTS.
- On-time departures67.8%of 88 flights
- Average delay32.6 min
- May 20261
- Cancelled1.1%
- Legs flown under this number3
Recorded departures by month
Short series — NK1377 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 | – | – |
| February | 23 | – | – |
| March | 4 | – | – |
| April | – | 11 | – |
| May | – | 1 | – |
| June | – | – | – |
| July | 23 | – | – |
| August | 12 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · January 2025 → May 2026
On-time departures by month
Short series — NK1377 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 | 92.3% | – | – |
| February | 78.3% | – | – |
| March | 100.0% | – | – |
| April | – | 54.6% | – |
| May | – | 0.0% | – |
| June | – | – | – |
| July | 56.5% | – | – |
| August | 50.0% | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
according to the US BTS · January 2025 → May 2026
Average departure delay by month
Short series — NK1377 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 → May 2026
Cancelled departures by month
Short series — NK1377 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 | – | – |
| February | 0 | – | – |
| March | 0 | – | – |
| April | – | 0 | – |
| May | – | 0 | – |
| June | – | – | – |
| July | 0 | – | – |
| August | 0 | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | – | – | – |
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 98.9% 87
- Cancelled 1.1% 1
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
2| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI SJU Baltimore/Washington International Thurgood Marshall Airport – Luis Munoz Marin International Airport | 2,525 | 15.4 min | 85.0% | 41 |
| DTW ATL Detroit Metropolitan Wayne County Airport – Hartsfield Jackson Atlanta International Airport | 958 | 53.3 min | 54.3% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| January 2025 | 14 | 13 | 92.3% | 1 |
| February 2025 | 23 | 23 | 78.3% | 0 |
| March 2025 | 4 | 4 | 100.0% | 0 |
| July 2025 | 23 | 23 | 56.5% | 0 |
| August 2025 | 12 | 12 | 50.0% | 0 |
| April 2026 | 11 | 11 | 54.6% | 0 |
| May 2026 | 1 | 1 | 0.0% | 0 |