| Date | From | To | Departure | Arrival | Status | |
|---|---|---|---|---|---|---|
| Apr 29 | IAH | STL | 20:40 | 22:14 |
Landed
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| Apr 28 | IAH | STL | 20:35 | 22:10 |
Landed
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| Apr 27 | IAH | STL | 20:37 | 22:18 |
Landed
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| Apr 26 | IAH | STL | 20:39 | 22:16 |
Landed
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| Apr 25 | IAH | STL | 20:28 | 22:05 |
Landed
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| Apr 24 | IAH | STL | 20:34 | 22:16 |
Landed
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| Apr 23 | IAH | STL | 20:37 | 22:17 |
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| Apr 22 | IAH | STL | 20:28 | 22:08 |
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| Apr 21 | IAH | STL | 20:32 | 22:07 |
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| Apr 20 | IAH | STL | 20:43 | 22:19 |
Landed
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United Airlines Flight UA1640 connects Houston, United States to St. Louis, United States, taking off from Houston George Bush Intercontinental Airport IAH and landing at St. Louis Lambert International Airport STL.
How long is the UA1640 flight from Houston to St. Louis?
The average flight time from Houston to St. Louis is 1 hour and 37 minutes. The flight distance is 1076 km / 668 miles and the average flight speed is 661 km/h / 411 mph.
What is the On-Time Performance (OTP) of United Airlines Flight UA1640 Houston to St. Louis?
The Airportia On-Time Performance Rating for United Airlines Flight UA1640 is 5/5 stars. This metric is calculated using data from the past 10 flights.
Which terminal is the flight UA1640 arriving at?
Flight UA1640 arrives at St. Louis Lambert International Airport (STL) Terminal 1.
When was the latest UA1640 flight?
The latest flight took off on Thursday, April 30th, 2026 with the flight status being Landed on 22:14.
How else can the flight UA1640 be referenced as?
This United Airlines flight can also be referenced as UAL1640, UA 1640, UAL 1640.
How often is flight UA1640 delayed?
On average, 0% of all UA1640 flights are delayed. The average delay is 0 minutes.
Can I get compensation for my delayed or cancelled UA1640 flight or baggage issues?
If your UA1640 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 UA1640 Flight Tracker above for more details.
Flight UA1640 is code-shared by 3 airlines using the flight numbers CM1706, NZ6903, VA8219
Other flights departing from Houston IAH: UA1326, VB207, UA1331, UA1274
Other flights arriving at St. Louis STL: WN4101, DL5617, UA4596, AA3415
All flights connecting Houston IAH to St. Louis STL.