Airport Tips & Quick Reference Guide to Seattle–Tacoma Airport - Seatac (SEA)

UA1660 United Airlines - Flight Status

Codeshare Flights
The flight OZ9541 from Asiana Airlines (OZ) is a codeshare flight operated by United Airlines (UA) under the flight number UA1660. Check this page for details about flight UA1660.

Below, you can find details about United Airlines flight UA1660, which currently operates between the airports of Seattle - Seattle-Tacoma International Airport (Airport Code SEA) and Houston - Houston George Bush Intercontinental Airport (Airport Code IAH).
This flight data pertains specifically to the flight's details for Friday, May 29, 2026.

UA1660 On Time performance:
40
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

UA1660 United Airlines to Houston

Landed - On-time
Flight Status for Friday May 29, 2026
This flight is also scheduled for Tomorrow (May 31, 2026). See it here

Airline information

United Airlines
United Airlines
Equipment: Airbus A320

Departure

Seattle (SEA)
May 29, 2026
Seattle-Tacoma International Airport
Departed at:
05:00 pm
Gate:
B15
Scheduled Departure Time: 05:00 pm

Arrival

Houston (IAH)
May 29, 2026
Houston George Bush Intercontinental Airport
Arrived at:
11:23 pm
Terminal:
C
Gate:
C30
Scheduled Arrival Time: 11:26 pm
Baggage: C6
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.seattle-airport.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:

- OZ9541 - Asiana Airlines

Additional Information

Which is the frequency of flight UA1660?
The flight UA1660 is scheduled to flight on daily basis.

Which is the distance of flight UA1660?
The distance between the two airports is 1873 miles.

Which is the flight time of flight UA1660?
The scheduled flight time gate to gate is: 04:26 hours.
The real flight time gate to gate on average is: 04:22 hours.

Are the departure airport and arrival airport at the same Time Zone?
No, each airport is in a different timezone. The times shown above, are presented in the local time of each respective airport.
Current Time in Seattle: 2026-05-30 23:26:29
Current Time in Houston: 2026-05-31 01:26:29

Alternative Flights

The following airlines serves the same route between Seattle and Houston:

Alaska Airlines
- Flight Number: AS398. (On Time performance: 78 - Average Delay: 10 minutes)
- Flight Number: AS438. (On Time performance: 84 - Average Delay: 8 minutes)
- Flight Number: AS465. (On Time performance: 91 - Average Delay: 5 minutes)

United Airlines
- Flight Number: UA1647. (On Time performance: 81 - Average Delay: 10 minutes)
- Flight Number: UA2135. (On Time performance: 90 - Average Delay: 11 minutes)
- Flight Number: UA2293. (On Time performance: 100 - Average Delay: 6 minutes)
- Flight Number: UA2379. (On Time performance: 81 - Average Delay: 7 minutes)
- Flight Number: UA2748. (On Time performance: 60 - Average Delay: 15 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 May 21, 2026 to May 27, 2026, we have obtained these figures.
Total number of flights: 5
On Time: 2 ( 40 % )
Moderate Delay: 2 ( 40 % )
Significant Delay: 0 ( 0 % )
Major Delay: 1 ( 20 % )
Canceled: 0 ( 0 % )
Diverted: 0 ( 0 % )

Average Delay: 103 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 UA1660

Date
Departure
Arrival
Duration
Aircraft
Status
Friday
29 May
05:00 pm
Seattle (SEA)
11:23 pm
Houston (IAH)
04h 23min
Airbus A320
Airbus A320
Landed - On-time
Thursday
28 May
05:38 pm
Seattle (SEA)
12:03 am
Houston (IAH)
04h 25min
Airbus A320
Airbus A320
Landed - Delayed
Wednesday
27 May
04:53 pm
Seattle (SEA)
11:18 pm
Houston (IAH)
04h 25min
Airbus A320
Airbus A320
Landed - On-time
Tuesday
26 May
05:00 pm
Seattle (SEA)
11:49 pm
Houston (IAH)
04h 49min
Airbus A320
Airbus A320
Landed - Delayed
Monday
25 May
05:27 pm
Seattle (SEA)
11:53 pm
Houston (IAH)
04h 26min
Airbus A320
Airbus A320
Landed - Delayed
Friday
22 May
01:04 am
Seattle (SEA)
07:13 am
Houston (IAH)
04h 09min
Airbus A320
Airbus A320
Landed - Delayed
Thursday
21 May
04:53 pm
Seattle (SEA)
11:04 pm
Houston (IAH)
04h 11min
Boeing 737-900
Boeing 737-900
Landed - On-time