NK183
NK183 (Spirit Airlines) is a multi-stop service on 4 routes, busiest Boston to Miami. Of 156 departures recorded from October 2024 to January 2026, 75.8% left on time, according to the US BTS.
- On-time departures75.8%of 156 flights
- Average delay18.4 min
- January 20266▼ 57.1%vs January 2025
- Cancelled1.9%
- Legs flown under this number4
Recorded departures by month
Short series — NK183 has only 9 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 | 6 | ▼ 57.1% |
| February | 18 | – | – |
| March | 29 | – | – |
| April | 30 | – | – |
| May | 6 | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 27 | – | – |
| Year to date (Jan–Jan) | 14 | 6 | ▼ 57.1% |
according to the US BTS · October 2024 → January 2026
On-time departures by month
Short series — NK183 has only 9 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 | 85.7% | 33.3% | ▼ 61.1% |
| February | 88.9% | – | – |
| March | 82.8% | – | – |
| April | 90.0% | – | – |
| May | 66.7% | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 33.3% | – | – |
| Year-to-date average (Jan–Jan) | 85.7% | 33.3% | ▼ 61.1% |
according to the US BTS · October 2024 → January 2026
Average departure delay by month
Short series — NK183 has only 9 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 · October 2024 → January 2026
Cancelled departures by month
Short series — NK183 has only 9 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 | 0 | 3 | – |
| February | 0 | – | – |
| March | 0 | – | – |
| April | 0 | – | – |
| May | 0 | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jan) | 0 | 3 |
according to the US BTS · October 2024 → January 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 98.1% 153
- Cancelled 1.9% 3
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jan 6, 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 |
|---|---|---|---|---|
| BOS MIA Boston Logan International Airport – Miami International Airport | 2,028 | 14.2 min | 85.5% | 62 |
| LAS TPA Harry Reid International Airport – Tampa International Airport | 3,188 | 5.2 min | 85.7% | 35 |
| FLL CLT Fort Lauderdale Hollywood International Airport – Charlotte Douglas International Airport | 1,019 | 54.6 min | 33.3% | 33 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 20 | 20 | 85.0% | 0 |
| November 2024 | 6 | 6 | 100.0% | 0 |
| January 2025 | 14 | 14 | 85.7% | 0 |
| February 2025 | 18 | 18 | 88.9% | 0 |
| March 2025 | 29 | 29 | 82.8% | 0 |
| April 2025 | 30 | 30 | 90.0% | 0 |
| May 2025 | 6 | 6 | 66.7% | 0 |
| December 2025 | 27 | 27 | 33.3% | 0 |
| January 2026 | 6 | 3 | 33.3% | 3 |