NK731
NK731 (Spirit Airlines) is a multi-stop service on 3 routes, busiest Baltimore to Atlanta. Of 80 departures recorded from March 2025 to May 2026, 82.3% left on time, according to the US BTS.
- On-time departures82.3%of 80 flights
- Average delay7.9 min
- May 20261▼ 83.3%vs May 2025
- Cancelled1.3%
- Legs flown under this number3
Recorded departures by month
Short series — NK731 has only 6 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 periods6 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 27 | – | – |
| April | 30 | 14 | ▼ 53.3% |
| May | 6 | 1 | ▼ 83.3% |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 2 | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → May 2026
On-time departures by month
Short series — NK731 has only 6 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 periods6 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 81.5% | – | – |
| April | 83.3% | 78.6% | ▼ 5.7% |
| May | 100.0% | 0.0% | ▼ 100.0% |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 100.0% | – | – |
| December | – | – | – |
according to the US BTS · March 2025 → May 2026
Average departure delay by month
Short series — NK731 has only 6 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 · March 2025 → May 2026
Cancelled departures by month
Short series — NK731 has only 6 months so far. Enough to show the level now, not enough to read a trend.
Months without data are left blank.
The most recent periods6 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | – | – | – |
| February | – | – | – |
| March | 0 | – | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | – | – | – |
according to the US BTS · March 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 98.8% 79
- Cancelled 1.3% 1
Share of all recorded flights in the period, all legs. · Mar 5, 2025 → May 1, 2026
Legs flown under this number
1| Routes | Distance (km) | Avg delay | On time | Departures |
|---|---|---|---|---|
| BWI ATL Baltimore/Washington International Thurgood Marshall Airport – Hartsfield Jackson Atlanta International Airport | 928 | 5.9 min | 84.1% | 63 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 27 | 27 | 81.5% | 0 |
| April 2025 | 30 | 30 | 83.3% | 0 |
| May 2025 | 6 | 6 | 100.0% | 0 |
| November 2025 | 2 | 1 | 100.0% | 1 |
| April 2026 | 14 | 14 | 78.6% | 0 |
| May 2026 | 1 | 1 | 0.0% | 0 |