UA646 Flight Status United Airlines: Grand Rapids to Denver (UAL646)
Are you looking for the November 9th, 2026 UA 646 Portland to Chicago flight? Go to our UA646 Portland to Chicago Flight Status page >
UA 646 Grand Rapids to Denver Flight Status
Not scheduled today (November 9th, 2026). Latest flight: February 11th, 2026 ; recent history is in the table below.
UA 646 Flight Status & Schedule United Airlines Grand Rapids to Denver
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Feb 11 | GRR | DEN | 15:33 | 16:19 | Landed | Track > |
| Feb 10 | GRR | DEN | 15:45 | 16:30 | Landed | Track > |
| Feb 09 | GRR | DEN | 15:36 | 16:14 | Landed | Track > |
| Feb 08 | GRR | DEN | 15:49 | 16:15 | Landed | Track > |
| Feb 07 | GRR | DEN | 16:36 | 17:04 | Landed Late | Track > |
| Feb 06 | GRR | DEN | 16:24 | 16:51 | Landed Late | Track > |
| Feb 05 | GRR | DEN | 16:18 | 16:39 | Landed | Track > |
| Feb 03 | GRR | DEN | 15:40 | 16:07 | Landed | Track > |
| Feb 02 | GRR | DEN | 16:05 | 16:47 | Landed Late | Track > |
| Feb 01 | GRR | DEN | 15:36 | 15:57 | Landed | Track > |
United Airlines flight UA 646 links Grand Rapids and Denver, 1,629 km (1,012 mi) apart. The timetable allows 3 h 5 min, but the flight usually takes about 2 h 30 min, so it often makes up time. It is not flying today; the last flight, on 11 February 2026, landed on time.
About UA 646
- Distance
- 1,629 km (1,012 mi)
- Typical flight time
- 2 h 30 min
- On time
- 7 of the last 10
- Average delay when late
- 24 min
- Usually departs from
- Gate A3
UA 646 FAQ
- How long is the UA646 flight?
- The timetable allows 3 h 5 min. Grand Rapids to Denver is 1,629 km (1,012 mi).
- How often is UA646 late?
- 3 of the last 10 flights arrived 15 or more minutes late; when late, by 24 minutes on average.
- Which terminal does UA646 use?
- It usually leaves from gate A3 at Grand Rapids Gerald R. Ford International Airport (GRR). Check the flight card above for today's terminal and gate.
- What other flight numbers does UA646 have?
- Also listed as UAL646 (United Airlines' ICAO code) and UA 646.
UA646 and Grand Rapids GRR to Denver DEN Flights
Flight UA646 is code-shared by 1 airline using the flight number AC4612
Other flights departing from Grand Rapids GRR: DL4156, AA2392, AA3925, AA6032
Other flights arriving at Denver DEN: UA2491, UA272, UA1856
All flights connecting Grand Rapids GRR to Denver DEN.