UA2638: United flight 2638
Houston (IAH) → Seattle (SEA) · departs 4:20p, lands 7:03p local · Daily
The timetable below has every scheduled departure; for today's flight, check United.
An estimate from the published timetable, not live tracking: it cannot know about delays, diversions or cancellations.
Live status at United →The route
One hop: IAH → SEADrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
UA2638 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| IAH → SEAHouston to Seattle | 4:20p | 7:03p | 4h43m | Daily |
| ORD → IAHChicago to Houston | 10:34a | 1:35p | 3h1m | Daily |
| RDU → ORDRaleigh to Chicago | 6:15a | 7:41a | 2h26m | Mon–Sat |
| RDU → ORDRaleigh to Chicago | 6:30a | 7:56a | 2h26m | Sun |
Other nonstops from Houston to Seattle
The departures either side of UA2638. Times are Houston time.
| Flight | Departs | Days |
|---|---|---|
| United UA2205 | 9:57a | Daily |
| United UA2228 | 12:05p | Daily |
| Alaska AS439 | 2:55p | Daily |
| This flight UA2638 | 4:20p | Daily |
| United UA2341 | 8:09p | Daily |
All 6 flights from IAH to SEA, by time →
Flying back from Seattle
United flies Seattle to Houston nonstop 28 times a week, from 7:17a to 11:59p: 7:17a UA2135 · 12:00p UA1752 · 5:05p UA1660 · 11:59p UA2702 · every nonstop SEA → IAH →
How UA2638 ran in our sample
IAH → SEA
4 of 7 departures left within 15 minutes of schedule (Oct 4–10). Only flights that departed are counted: cancellations are not in our data.
ORD → IAH
5 of 7 departures left within 15 minutes of schedule (Oct 25–31). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Airbus A321neo on 4 of 7; also Boeing 737-900 (2), Airbus A320 (1).
Other flights on this route: UA1982 · UA2833 · AA2504 · UA2483 · UA535 · AA3322 · UA1448 · AA3039 · UA1658 · AA2416 · UA714 · UA2784 · UA2813 · UA2665 · AA3144 · all of them →
RDU → ORD
7 of 7 departures left within 15 minutes of schedule (Oct 25–31). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Boeing 737 MAX 9 on 6 of 7; also Airbus A319 (1).
Other flights on this route: AA2849 · UA2826 · AA2123 · UA1363 · AA2949 · UA1193 · AA1294 · all of them →
What time does UA2638 leave Houston?
UA2638 is scheduled to depart Houston (IAH) at 4:20p (daily), Houston time, and to land in Seattle (SEA) at about 7:03p local time, a scheduled 4h43m. Times are the published ones from the flights we sampled Oct 4–10; check United for today's.
What time does UA2638 leave Chicago?
UA2638 is scheduled to depart Chicago (ORD) at 10:34a (daily), Chicago time, and to land in Houston (IAH) at about 1:35p local time, a scheduled 3h1m. Times are the published ones from the flights we sampled Oct 25–31; check United for today's.
What time does UA2638 leave Raleigh?
UA2638 is scheduled to depart Raleigh (RDU) at 6:15a (Mon–Sat), 6:30a (Sun), Raleigh time, and to land in Chicago (ORD) at about 7:41a local time, a scheduled 2h26m. Times are the published ones from the flights we sampled Oct 25–31; check United for today's.
What plane is UA2638?
Airbus A321neo on 4 of the 7 UA2638 flights from ORD we sampled Oct 25–31; the rest were a Boeing 737-900 or Airbus A320. Airlines swap aircraft, so the plane on a given day can differ.
Does UA2638 fly every day?
Yes — UA2638 flew Houston to Seattle every day of the week we sampled (Oct 4–10).
Is UA2638 usually on time?
Of 7 UA2638 departures from IAH we sampled Oct 4–10, 4 left within 15 minutes of the scheduled time. That counts only flights that departed — cancellations are not in our data — and one week is a small sample, so treat it as a hint, not a rating.
More United flights from Houston
Timetable from United departures we observed; UA2638 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.