NK644 is a domestic flight operated by Spirit Airlines. NK644 is departing from Houston (IAH), United States and arriving at Denver (DEN), United States.
The flight distance is about 1385.97 km or 861.20 miles and flight time is
2 hours 30 minutes. Get the latest status of NK644 / NKS644 here.
Update on Oct. 31, 2021, 2:30 p.m.
Distance: 1385.97 km / 861.20 miles or 748.36 nautical miles.
Departure Houston George Bush Intercontinental Airport
Arrival Denver International Airport
|Scheduled Departure: 6:20 p.m.
||Scheduled Arrival: 8:36 p.m.
|Departure Terminal : None Gate None
||Arrival Terminal : None Gate None