United Airlines UA645 Flight Status : Live Tracking & Updates

Domestic flight United Airlines UA645 takes off from Denver (DEN) United States to Sioux Falls (FSD) United States. It's operated by United Airlines. The plane leaves Denver International Airport at 17:40 05 May 2026 America/Denver. The flight is expected to land at Joe Foss Field at 20:20 05 May 2026 America/Chicago. The flight will last about 1 hours 40 minutes.

Current status of UA645 is Departed On time Estimated Arrival in 50 minutes

UA645 - UAL645 United Airlines (UA)
DEN Denver United States
Flight DEN to FSD
FSD Sioux Falls United States
Departed On time Estimated Arrival in 50 minutes
Departure Denver International Airport
IATA: DENICAO: KDEN
Scheduled 17:40 05 May 2026
Actual 17:36 05 May 2026
None A36
Arrival Joe Foss Field
IATA: FSDICAO: KFSD
Scheduled 20:20 05 May 2026
Estimated 20:33 05 May 2026
None None
UA645 Detail
  • Type: Domestic Flight
  • Code Shares: LH 9364
  • Flight Duration: 1 hours 40 minutes
  • Flight Distance: 779 kms / 484 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 114
  • Freight capacity: 9.6 tons
  • Passenger classes: First Class, Economy, Business Class, Shuttle
More Detail
  • Aircraft: Boeing 737-800 (Scimitar Winglets) Passenger
  • Callsign: F-KCEZ2
  • Departure Timezone: America/Denver
  • Arrival Timezone: America/Chicago
  • Current Time in Denver: Tuesday 2026-05-05 18:43 PM
  • Current Time in Sioux Falls: Tuesday 2026-05-05 19:43 PM

United Airlines UA645 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA645
AIRPLANE Boeing 737-800 (Scimitar Winglets) Passenger
ON TIME 4
DELAYED 10
CANCELLED 0
ON TIME 13
DELAYED 17
CANCELLED 0
ON TIME 42
DELAYED 18
CANCELLED 0
ON TIME 62
DELAYED 19
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA645 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Mon 04 May
Scheduled Delayed by 55m
Denver (DEN) 2026-05-04T17:40
Sioux Falls (FSD) 2026-05-04T20:20
Sun 03 May
Scheduled On time
Denver (DEN) 2026-05-03T17:40
Sioux Falls (FSD) 2026-05-03T20:20
Sat 02 May
Departed Delayed by 4h 59m
Denver (DEN) 2026-05-02T12:07
Sioux Falls (FSD) 2026-05-02T14:19
2026-05-02T17:07
Fri 01 May
Departed On time
Denver (DEN) 2026-05-01T17:40
Sioux Falls (FSD) 2026-05-01T20:20
2026-05-01T17:41
Thu 30 Apr
Departed On time
Denver (DEN) 2026-04-30T17:40
Sioux Falls (FSD) 2026-04-30T20:20
2026-04-30T17:34
Wed 29 Apr
Arrived On time
Denver (DEN) 2026-04-29T12:00
Sioux Falls (FSD) 2026-04-29T14:12
2026-04-29T12:00
2026-04-29T14:26
Tue 28 Apr
Departed On time
Denver (DEN) 2026-04-28T17:50
Sioux Falls (FSD) 2026-04-28T20:30
2026-04-28T17:45
Mon 27 Apr
Scheduled Delayed by 2h 41m
Denver (DEN) 2026-04-27T17:50
Sioux Falls (FSD) 2026-04-27T20:30
Sun 26 Apr
Scheduled Delayed by 19m
Denver (DEN) 2026-04-26T17:50
Sioux Falls (FSD) 2026-04-26T20:30
Sat 25 Apr
Departed On time
Denver (DEN) 2026-04-25T17:50
Sioux Falls (FSD) 2026-04-25T20:30
2026-04-25T17:48

Flight routes similar to United Airlines UA645

Airline Flight no Departure Arrival
United Airlines UA5975
United Airlines 		05/05/2026
08:00 		1 hours 20 minutes
10:44
United Airlines UA5378
United Airlines 		05/05/2026
13:30 		1 hours 27 minutes
16:15
United Airlines UA5700
United Airlines 		05/05/2026
21:00 		1 hours 43 minutes
23:43
SkyWest Airlines OO5700
SkyWest Airlines 		05/05/2026
21:00 		1 hours 43 minutes
23:43
SkyWest Airlines OO5378
SkyWest Airlines 		05/05/2026
13:30 		1 hours 33 minutes
16:15
Lufthansa LH9364
Lufthansa 		05/05/2026
17:40 		1 hours 40 minutes
20:20
SkyWest Airlines OO4759
SkyWest Airlines 		05/05/2026
09:45 		1 hours 47 minutes
12:32
SkyWest Airlines OO5975
SkyWest Airlines 		05/05/2026
08:00 		1 hours 31 minutes
10:44

United Airlines Flight UA645 FAQs

What is the scheduled flight duration for United Airlines UA645 flight?

On average, nonstop flight takes 1 hour(s) 40 minutes, with the flight distance of 779 km (484 miles).

What is the current status of United Airlines UA645 flight?

The current status of flight United Airlines UA645 is Departed On time.

What type of aircraft is used for the United Airlines UA645 flight?

All United Airlines UA645 flights are operated using Boeing 737-800 (Scimitar Winglets) Passenger aircraft.

How many United Airlines UA645 flights are operated a week?

7 flights per week. The Flight United Airlines UA645 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .