United Airlines UA646 Flight Status Today

Domestic flight United Airlines UA646 takes off from Grand Rapids (GRR) United States to Denver (DEN) United States. It's operated by United Airlines. The plane leaves Gerald R. Ford International Airport at 15:25 18 January 2026 America/New_York. The flight is expected to land at Denver International Airport at 16:30 18 January 2026 America/Denver. The flight will last about 3 hours 5 minutes.

Current status of UA646 is Scheduled On time Estimated Depart in 9 hours, 29 minutes

UA646 - UAL646 United Airlines (UA)
GRR Grand Rapids United States
Flight GRR to DEN
DEN Denver United States
Scheduled On time Estimated Depart in 9 hours, 29 minutes
Departure Gerald R. Ford International Airport
IATA: GRRICAO: KGRR
Scheduled 15:25 18 January 2026
Estimated 15:25 18 January 2026
None A3
Arrival Denver International Airport
IATA: DENICAO: KDEN
Scheduled 16:30 18 January 2026
Estimated 16:30 18 January 2026
None B43
UA646 Detail
  • Type: Domestic Flight
  • Code Shares: AC 4612
  • Flight Duration: 3 hours 5 minutes
  • Flight Distance: 1633 kms / 1015 miles
Airline
  • United Airlines
  • IATA: UA
  • ICAO: UAL
  • Operating Days: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
Passenger Services
  • Service type: Normal passenger
  • Seats: 154
  • Freight capacity: 17.8 tons
  • Passenger classes: First Class, Economy, Business Class, Shuttle
More Detail
  • Aircraft: Boeing 737-800 (Scimitar Winglets) Passenger
  • Callsign: F-KIAH1
  • Departure Timezone: America/New_York
  • Arrival Timezone: America/Denver
  • Current Time in Grand Rapids: Sunday 2026-01-18 05:56 AM
  • Current Time in Denver: Sunday 2026-01-18 03:56 AM

United Airlines UA646 Flight Statistics

United Airlines
United Airlines
FLIGHT NO UA646
AIRPLANE Boeing 737-800 (Scimitar Winglets) Passenger
ON TIME 13
DELAYED 1
CANCELLED 0
ON TIME 25
DELAYED 5
CANCELLED 0
ON TIME 50
DELAYED 10
CANCELLED 0
ON TIME 71
DELAYED 13
CANCELLED 0
Last 14 days flight data
14 30 60 90
On Time Rate

United Airlines UA646 Flight Schedule and Histories

Time Departure Arrival Actual departure Actual arrival
Tue 06 Jan
Scheduled On time
Grand Rapids (GRR) 2026-01-06T15:25
Denver (DEN) 2026-01-06T16:30
Mon 05 Jan
Scheduled On time
Grand Rapids (GRR) 2026-01-05T09:38
Denver (DEN) 2026-01-05T11:49
Sat 03 Jan
Departed Delayed by 22m
Grand Rapids (GRR) 2026-01-03T09:38
Denver (DEN) 2026-01-03T11:49
2026-01-03T09:43
Sun 28 Dec
Arrived On time
Grand Rapids (GRR) 2025-12-28T09:38
Denver (DEN) 2025-12-28T11:49
2025-12-28T09:41
2025-12-28T11:35
Fri 21 Nov
Scheduled On time
Grand Rapids (GRR) 2025-11-21T07:00
Denver (DEN) 2025-11-21T13:06
Wed 19 Nov
Departed On time
Grand Rapids (GRR) 2025-11-19T14:25
Denver (DEN) 2025-11-19T17:08
2025-11-19T14:18
Mon 17 Nov
Departed On time
Grand Rapids (GRR) 2025-11-17T14:25
Denver (DEN) 2025-11-17T17:08
2025-11-17T14:29
Sun 09 Nov
Arrived On time
Grand Rapids (GRR) 2025-11-09T14:25
Denver (DEN) 2025-11-09T17:08
2025-11-09T14:24
2025-11-09T17:12
Sun 02 Nov
Scheduled On time
Grand Rapids (GRR) 2025-11-02T07:00
Denver (DEN) 2025-11-02T13:06
Sat 01 Nov
Scheduled On time
Grand Rapids (GRR) 2025-11-01T07:00
Denver (DEN) 2025-11-01T13:06

Flight routes similar to United Airlines UA646

Airline Flight no Departure Arrival
United Airlines UA3920
United Airlines 		18/01/2026
10:30 		3 hours 9 minutes
11:39
Southwest Airlines WN1768
Southwest Airlines 		18/01/2026
08:45 		0 minutes
09:45
Air Canada AC4612
Air Canada 		18/01/2026
15:25 		3 hours 5 minutes
16:30
United Airlines UA2648
United Airlines 		18/01/2026
09:10 		3 hours 7 minutes
10:17
Frontier Airlines F91247
Frontier Airlines 		18/01/2026
20:16 		3 hours 9 minutes
21:25
Frontier Airlines F94213
Frontier Airlines 		18/01/2026
20:49 		0 minutes
21:49
United Airlines UA2720
United Airlines 		18/01/2026
08:05 		2 hours 52 minutes
08:57

United Airlines Flight UA646 FAQs

What is the scheduled flight duration for United Airlines UA646 flight?

On average, nonstop flight takes 3 hour(s) 5 minutes, with the flight distance of 1633 km (1015 miles).

What is the current status of United Airlines UA646 flight?

The current status of flight United Airlines UA646 is Scheduled On time.

What type of aircraft is used for the United Airlines UA646 flight?

All United Airlines UA646 flights are operated using Boeing 737-800 (Scimitar Winglets) Passenger aircraft.

How many United Airlines UA646 flights are operated a week?

7 flights per week. The Flight United Airlines UA646 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday .