UA1640 United Airlines - Flight Status

Below, you can find details about United Airlines flight UA1640, which currently operates between the airports of Houston - Houston George Bush Intercontinental Airport (Airport Code IAH) and Saint Louis - St Louis Lambert International Airport (Airport Code STL).
This flight data pertains specifically to the flight's details for Friday, April 10, 2026.

Table of contents:
Flight Status Codeshare Flights Additional Information Alternative Flights Punctuality and delays Last Past Flights UA1640

UA1640 On Time performance:

We have calculated the percentage of flights that arrived within 15 minutes of their scheduled time, or earlier, based on real flight data from the last 3 months. More about punctuality and delays

Flight Status

UA1640 United Airlines to Saint Louis

Scheduled - On-time

Flight Status for Friday April 10, 2026

This flight was also scheduled for Yesterday (April 09, 2026). See it here

This flight is also scheduled for Tomorrow (April 11, 2026). See it here

Airline information

United Airlines

Equipment: Boeing 737-900 Passenger (Scimitar Winglets)

Departure

Houston (IAH)

April 10, 2026

Houston George Bush Intercontinental Airport

Estimated Departure Time:

08:20 pm

Terminal:

Gate:

Scheduled Departure Time: 08:20 pm

Arrival

Saint Louis (STL)

April 10, 2026

St Louis Lambert International Airport

Estimated Arrival Time:

10:27 pm

Terminal:

Gate:

A16

Scheduled Arrival Time: 10:27 pm

Disclaimer

The information displayed on this website is gathered from third-party providers with a wide reputation on the sector, which in turn obtain the information from the airlines. This data is provided only for informative purposes. www.airport-houston.com assumes no responsibility for loss or damage as a result of relying on information posted here. Please contact your airline to verify flight status.

Codeshare Flights

This flight is shared with other airlines, this means that these other flights are the same:

- CM1706 - Copa Airlines

- EK6162 - Emirates

- NZ6903 - Air New Zealand

- VA8219 - Virgin Australia

Additional Information

Which is the frequency of flight UA1640?
The flight UA1640 is scheduled to flight on daily basis.

Which is the distance of flight UA1640?
The distance between the two airports is 668 miles.

Which is the flight time of flight UA1640?
The scheduled flight time gate to gate is: 02:07 hours.
The real flight time gate to gate on average is: 02:01 hours.

Are the departure airport and arrival airport at the same Time Zone?
Yes, both airports are in the same timezone.

Alternative Flights

The following airline serve the same route between Houston and Saint Louis:
United Airlines - Flight Number: UA6214. (On Time performance: 78 - Average Delay: 10 minutes)

Punctuality and delays

We have gathered data from recent months and present below an analysis of how timely the flights have been.

In terms of On-Time Performance, by analyzing the flight data from the last three months, spanning from March 29, 2026 to April 03, 2026, we have obtained these figures.
Total number of flights: 6
On Time: 5 ( 83 % )
Moderate Delay: 1 ( 17 % )
Significant Delay: 0 ( 0 % )
Major Delay: 0 ( 0 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 3 minutes.

Delays analyzed by Week: It is not possible to calculate the On-Time Performance for this flight accurately by weekday due to insufficient or non-representative data, as doing so could lead to misleading conclusions
Delays analyzed by Month: It is not possible to calculate the On-Time Performance for this flight accurately by month due to insufficient or non-representative data, as doing so could lead to misleading conclusions

Last Past Flights UA1640

Date

Departure

Arrival

Duration

Aircraft

Status

Thursday
09 April

08:06 pm
Houston (IAH)

10:13 pm
Saint Louis (STL)

02h 07min

Airbus A320

Landed - On-time

Wednesday
08 April

08:12 pm
Houston (IAH)

10:10 pm
Saint Louis (STL)

01h 58min

Airbus A320

Landed - On-time

Tuesday
07 April

08:08 pm
Houston (IAH)

10:11 pm
Saint Louis (STL)

02h 03min

Airbus A320

Landed - On-time

Monday
06 April

08:11 pm
Houston (IAH)

10:05 pm
Saint Louis (STL)

01h 54min

Airbus A320

Landed - On-time

Sunday
05 April

08:15 pm
Houston (IAH)

10:22 pm
Saint Louis (STL)

02h 07min

Airbus A320

Landed - On-time

Saturday
04 April

08:46 pm
Houston (IAH)

10:37 pm
Saint Louis (STL)

01h 51min

Airbus A320

Landed - On-time

Friday
03 April

08:15 pm
Houston (IAH)

10:21 pm
Saint Louis (STL)

02h 06min

Boeing 737-900

Landed - On-time

Thursday
02 April

08:33 pm
Houston (IAH)

10:46 pm
Saint Louis (STL)

02h 13min

Airbus A320

Landed - Delayed

Wednesday
01 April

08:20 pm
Houston (IAH)

10:14 pm
Saint Louis (STL)

01h 54min

Airbus A320

Landed - On-time

Tuesday
31 March

08:17 pm
Houston (IAH)

10:11 pm
Saint Louis (STL)

01h 54min

Airbus A320

Landed - On-time