| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Jul 17 | STL | ORD | 19:18 | 20:20 |
Landed Late
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| Jul 16 | STL | ORD | 18:14 | 19:02 |
Landed
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| Jul 15 | STL | ORD | 18:07 | 18:53 |
Landed
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| Jul 14 | STL | ORD | 18:00 | 18:51 |
Landed
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| Jul 13 | STL | ORD | 18:13 | 19:00 |
Landed
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| Jul 12 | STL | ORD | 19:37 | 20:23 |
Landed Late
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| Jul 11 | STL | ORD | 17:58 | 18:44 |
Landed
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| Jul 10 | STL | ORD | 18:17 | 19:37 |
Landed
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| Jul 09 | STL | ORD | 18:40 | 19:52 |
Landed Late
|
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| Jul 08 | STL | ORD | 18:08 | 19:05 |
Landed
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Track > |
United Airlines Flight UA1639 connects St. Louis, United States to Chicago, United States, taking off from St. Louis Lambert International Airport STL and landing at Chicago O'Hare International Airport ORD.
How long is the UA1639 flight from St. Louis to Chicago?
The average flight time from St. Louis to Chicago is 55 minutes. The flight distance is 415 km / 258 miles and the average flight speed is 466 km/h / 290 mph.
How many UA1639 flights are operated per week?
6 flights per week. The flight UA1639 is operated on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday.
What is the On-Time Performance (OTP) of United Airlines Flight UA1639 St. Louis to Chicago?
The Airportia On-Time Performance Rating for United Airlines Flight UA1639 is 4.8/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1639 arriving at?
Flight UA1639 arrives at Chicago O'Hare International Airport (ORD) Terminal 1.
When was the latest UA1639 flight?
The latest flight took off on Saturday, July 18th, 2026 with the flight status being Landed on 20:20.
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, 40% of all UA1639 flights are delayed. The average delay is 33 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 2 airlines using the flight numbers AC4919, NZ2898
Other flights departing from St. Louis STL: AA2714, DL2822, AA2731, SY3008
Other flights arriving at Chicago ORD: UA474, UA2148, UA2770, DL2130
All flights connecting St. Louis STL to Chicago ORD.