NK601
NK601 (Spirit Airlines) is a multi-stop service on 4 routes, busiest Baltimore to Dallas-Fort Worth. Of 118 departures recorded from March 2025 to May 2026, 78.5% left on time, according to the US BTS.
- On-time departures78.5%of 118 flights
- Average delay16.9 min
- May 20261▼ 75.0%vs May 2025
- Cancelled1.7%
- Legs flown under this number4
Recorded departures by month
Short series — NK601 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 | – | 5 | – |
| February | – | – | – |
| March | 25 | – | – |
| April | 19 | 16 | ▼ 15.8% |
| May | 4 | 1 | ▼ 75.0% |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 26 | – | – |
| December | 22 | – | – |
according to the US BTS · March 2025 → May 2026
On-time departures by month
Short series — NK601 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 | – | 80.0% | – |
| February | – | – | – |
| March | 88.0% | – | – |
| April | 57.9% | 93.8% | ▲ 61.9% |
| May | 75.0% | 100.0% | ▲ 33.3% |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 84.0% | – | – |
| December | 66.7% | – | – |
according to the US BTS · March 2025 → May 2026
Average departure delay by month
Short series — NK601 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 · March 2025 → May 2026
Cancelled departures by month
Short series — NK601 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 | – |
| February | – | – | – |
| March | 0 | – | – |
| April | 0 | 0 | – |
| May | 0 | 0 | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | 1 | – | – |
| December | 1 | – | – |
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 98.3% 116
- Cancelled 1.7% 2
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 DFW Baltimore/Washington International Thurgood Marshall Airport – Dallas Fort Worth International Airport | 1,955 | 12.8 min | 75.0% | 48 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| March 2025 | 25 | 25 | 88.0% | 0 |
| April 2025 | 19 | 19 | 57.9% | 0 |
| May 2025 | 4 | 4 | 75.0% | 0 |
| November 2025 | 26 | 25 | 84.0% | 1 |
| December 2025 | 22 | 21 | 66.7% | 1 |
| January 2026 | 5 | 5 | 80.0% | 0 |
| April 2026 | 16 | 16 | 93.8% | 0 |
| May 2026 | 1 | 1 | 100.0% | 0 |