| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jan 05 | DEN | TUS | 08:16 | 10:04 |
Landed
|
Track > |
| Jan 04 | DEN | TUS | 08:00 | 09:46 |
Landed
|
Track > |
| Jan 03 | DEN | TUS | 08:02 | 09:40 |
Landed
|
Track > |
| Jan 02 | DEN | TUS | 09:15 | 10:54 |
Delayed
|
Track > |
| Jan 01 | DEN | TUS | 08:09 | 09:54 |
Landed
|
Track > |
| Dec 31 | DEN | TUS | 07:58 | 09:33 |
Landed
|
Track > |
| Dec 30 | DEN | TUS | 08:07 | 09:47 |
Landed
|
Track > |
| Dec 29 | DEN | TUS | 08:32 | 10:15 |
Landed Late
|
Track > |
| Dec 28 | DEN | TUS | 09:26 | 11:12 |
Delayed
|
Track > |
| Dec 27 | DEN | TUS | 08:39 | 10:30 |
Landed Late
|
Track > |
United Airlines Flight UA4637 connects Denver, United States to Tucson, United States, taking off from Denver International Airport DEN and landing at Tucson International Airport TUS.
How long is the UA4637 flight from Denver to Tucson?
The average flight time from Denver to Tucson is 1 hour and 43 minutes. The flight distance is 1029 km / 639 miles and the average flight speed is 600 km/h / 373 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA4637 Denver to Tucson?
The Airportia On-Time Performance Rating for United Airlines Flight UA4637 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA4637 arriving at?
Flight UA4637 arrives at Tucson International Airport (TUS) Terminal 4.
When was the latest UA4637 flight?
The latest flight took off on Monday, January 5th, 2026 with the flight status being Landed on 10:04.
How else can the flight UA4637 be referenced as?
This United Airlines flight can also be referenced as UAL4637, UA 4637, UAL 4637.
How often is flight UA4637 delayed?
On average, 50% of all UA4637 flights are delayed. The average delay is 36 minutes.
Can I get compensation for my delayed or cancelled UA4637 flight or baggage issues?
If your UA4637 flight was cancelled, delayed, or if you experienced baggage issues such as delayed, damaged, or lost bags, you may be entitled to compensation. Compensation amounts and eligibility depend on various regulations, including EC 261/2004, UK261, CA Montreal Convention, US GoodWill, BR-ANAC, SA-GACA and TK-SHY.
See our UA4637 Flight Tracker above for more details.
Flight UA4637 is code-shared by 1 airline using the flight number AC3974
Other flights departing from Denver DEN: UA5228, UA5323, WN3533, WN3509
Other flights arriving at Tucson TUS: WN3410, WN2691, AS1473, WN1035
All flights connecting Denver DEN to Tucson TUS.
