NK177
NK177 (Spirit Airlines) is a multi-stop service on 3 routes, busiest Las Vegas to San Jose. Of 126 departures recorded from October 2024 to January 2026, 83.3% left on time, according to the US BTS.
- On-time departures83.3%of 126 flights
- Average delay9.1 min
- January 20267▼ 69.6%vs January 2025
- Cancelled0.0%
- Legs flown under this number3
Recorded departures by month
Short series — NK177 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 periods5 periods
| Period | Departures 2025 | Departures 2026 | Change vs last year |
|---|---|---|---|
| January | 23 | 7 | ▼ 69.6% |
| February | 28 | – | – |
| March | 4 | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 28 | – | – |
| Year to date (Jan–Jan) | 23 | 7 | ▼ 69.6% |
according to the US BTS · October 2024 → January 2026
On-time departures by month
Short series — NK177 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 periods5 periods
| Period | On time 2025 | On time 2026 | Change vs last year |
|---|---|---|---|
| January | 100.0% | 57.1% | ▼ 42.9% |
| February | 92.9% | – | – |
| March | 100.0% | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 75.0% | – | – |
| Year-to-date average (Jan–Jan) | 100.0% | 57.1% | ▼ 42.9% |
according to the US BTS · October 2024 → January 2026
Average departure delay by month
Short series — NK177 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 · October 2024 → January 2026
Cancelled departures by month
Short series — NK177 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 periods5 periods
| Period | Cancelled 2025 | Cancelled 2026 | Change vs last year |
|---|---|---|---|
| January | 0 | 0 | – |
| February | 0 | – | – |
| March | 0 | – | – |
| April | – | – | – |
| May | – | – | – |
| June | – | – | – |
| July | – | – | – |
| August | – | – | – |
| September | – | – | – |
| October | – | – | in progress |
| November | – | – | – |
| December | 0 | – | – |
| Year to date (Jan–Jan) | 0 | 0 |
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 100.0% 126
- Cancelled 0.0% 0
Share of all recorded flights in the period, all legs. · Oct 12, 2024 → Jan 7, 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 |
|---|---|---|---|---|
| LAS SJC Harry Reid International Airport – Mineta San Jose International Airport | 620 | -4.4 min | 96.4% | 55 |
| ORD BOS Chicago O'Hare International Airport – Boston Logan International Airport | 1,391 | 17.7 min | 75.0% | 36 |
| ATL DFW Hartsfield Jackson Atlanta International Airport – Dallas Fort Worth International Airport | 1,175 | 21.3 min | 71.4% | 35 |
Monthly figures
| Period | Departures | With departure delay recorded | On time | Cancelled |
|---|---|---|---|---|
| October 2024 | 13 | 13 | 69.2% | 0 |
| November 2024 | 21 | 21 | 76.2% | 0 |
| December 2024 | 2 | 2 | 100.0% | 0 |
| January 2025 | 23 | 23 | 100.0% | 0 |
| February 2025 | 28 | 28 | 92.9% | 0 |
| March 2025 | 4 | 4 | 100.0% | 0 |
| December 2025 | 28 | 28 | 75.0% | 0 |
| January 2026 | 7 | 7 | 57.1% | 0 |