United Airlines UA645 Flight Status Today

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 17:42 18 January 2026 America/Denver. The flight is expected to land at Joe Foss Field at 20:24 18 January 2026 America/Chicago. The flight will last about 1 hours 42 minutes.

Current status of UA645 is Scheduled On time Estimated Depart in 5 hours, 52 minutes

UA645 - UAL645 United Airlines (UA)
DEN Denver United States
Flight DEN to FSD
FSD Sioux Falls United States
Scheduled On time Estimated Depart in 5 hours, 52 minutes
Departure Denver International Airport
IATA: DENICAO: KDEN
Scheduled 17:42 18 January 2026
Estimated 17:42 18 January 2026
None A40
Arrival Joe Foss Field
IATA: FSDICAO: KFSD
Scheduled 20:24 18 January 2026
Estimated 20:24 18 January 2026
None 7
UA645 Detail
  • Type: Domestic Flight
  • Flight Duration: 1 hours 42 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: Sunday 2026-01-18 11:50 AM
  • Current Time in Sioux Falls: Sunday 2026-01-18 12:50 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
Sat 17 Jan
Scheduled On time
Denver (DEN) 2026-01-17T17:42
Sioux Falls (FSD) 2026-01-17T20:24
Fri 16 Jan
Arrived On time
Denver (DEN) 2026-01-16T17:42
Sioux Falls (FSD) 2026-01-16T20:24
2026-01-16T18:00
2026-01-16T20:35
Thu 15 Jan
Arrived On time
Denver (DEN) 2026-01-15T17:42
Sioux Falls (FSD) 2026-01-15T20:24
2026-01-15T17:40
2026-01-15T20:06
Wed 14 Jan
Arrived On time
Denver (DEN) 2026-01-14T17:42
Sioux Falls (FSD) 2026-01-14T20:24
2026-01-14T17:43
2026-01-14T20:24
Tue 13 Jan
Arrived On time
Denver (DEN) 2026-01-13T17:42
Sioux Falls (FSD) 2026-01-13T20:24
2026-01-13T17:33
2026-01-13T20:04
Mon 12 Jan
Arrived On time
Denver (DEN) 2026-01-12T17:42
Sioux Falls (FSD) 2026-01-12T20:24
2026-01-12T17:36
2026-01-12T20:09
Sun 11 Jan
Arrived On time
Denver (DEN) 2026-01-11T17:42
Sioux Falls (FSD) 2026-01-11T20:24
2026-01-11T17:39
2026-01-11T20:16
Sat 10 Jan
Arrived On time
Denver (DEN) 2026-01-10T17:42
Sioux Falls (FSD) 2026-01-10T20:24
2026-01-10T17:39
2026-01-10T20:15
Fri 09 Jan
Arrived On time
Denver (DEN) 2026-01-09T17:42
Sioux Falls (FSD) 2026-01-09T20:24
2026-01-09T17:47
2026-01-09T20:25
Thu 08 Jan
Arrived Delayed by 1h 28m
Denver (DEN) 2026-01-08T17:42
Sioux Falls (FSD) 2026-01-08T20:24
2026-01-08T18:36
2026-01-08T21:52

Flight routes similar to United Airlines UA645

Airline Flight no Departure Arrival
SkyWest Airlines OO4759
SkyWest Airlines 		18/01/2026
10:03 		1 hours 55 minutes
12:58
Frontier Airlines F92108
Frontier Airlines 		18/01/2026
12:24 		1 hours 37 minutes
15:01
United Airlines UA5378
United Airlines 		18/01/2026
13:46 		1 hours 51 minutes
16:37
United Airlines UA4759
United Airlines 		18/01/2026
10:03 		1 hours 55 minutes
12:58
SkyWest Airlines OO5378
SkyWest Airlines 		18/01/2026
13:46 		1 hours 48 minutes
16:37
United Airlines UA5700
United Airlines 		18/01/2026
20:50 		1 hours 54 minutes
23:44
Copa Airlines CM1053
Copa Airlines 		18/01/2026
21:05 		1 hours 50 minutes
23:55
Lufthansa LH9364
Lufthansa 		18/01/2026
17:25 		1 hours 35 minutes
20:00

United Airlines Flight UA645 FAQs

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

On average, nonstop flight takes 1 hour(s) 42 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 Scheduled 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 .