| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 18 | DEN | STL | 13:25 | 16:33 |
Scheduled
|
Track > |
| Jul 17 | DEN | STL | 13:34 | 16:17 |
Landed
|
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| Jul 16 | DEN | STL | 13:42 | 16:30 |
Landed
|
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| Jul 15 | DEN | STL | 13:43 | 16:23 |
Landed
|
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| Jul 14 | DEN | STL | 13:44 | 16:26 |
Landed
|
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| Jul 13 | DEN | STL | 13:51 | 16:31 |
Landed
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| Jul 12 | DEN | STL | 15:36 | 18:15 |
Delayed
|
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| Jul 11 | DEN | STL | 13:34 | 16:14 |
Landed
|
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| Jul 10 | DEN | STL | 13:38 | 16:20 |
Landed
|
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| Jul 09 | DEN | STL | 14:51 | 17:25 |
Landed Late
|
Track > |
United Airlines Flight UA1639 connects Denver, United States to St. Louis, United States, taking off from Denver International Airport DEN and landing at St. Louis Lambert International Airport STL.
How long is the UA1639 flight from Denver to St. Louis?
The average flight time from Denver to St. Louis is 1 hour and 40 minutes. The flight distance is 1235 km / 768 miles and the average flight speed is 720 km/h / 447 mph.
How many UA1639 flights are operated per week?
7 flights per week. The flight UA1639 is operated on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA1639 Denver to St. Louis?
The Airportia On-Time Performance Rating for United Airlines Flight UA1639 is 4.7/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1639 arriving at?
Flight UA1639 arrives at St. Louis Lambert International Airport (STL) Terminal 1.
When was the latest UA1639 flight?
The latest flight took off on Saturday, July 18th, 2026 with the flight status being Scheduled on 16:33.
How else can the flight UA1639 be referenced as?
This United Airlines flight can also be referenced as UAL1639, UA 1639, UAL 1639.
How often is flight UA1639 delayed?
On average, 20% of all UA1639 flights are delayed. The average delay is 77 minutes.
Can I get compensation for my delayed or cancelled UA1639 flight or baggage issues?
If your UA1639 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 UA1639 Flight Tracker above for more details.
Flight UA1639 is code-shared by 1 airline using the flight number AC4878
Other flights departing from Denver DEN: UA617, UA1045, WN2354, AA6031
Other flights arriving at St. Louis STL: WN2823, AS1635, AA4509, WN1726
All flights connecting Denver DEN to St. Louis STL.