UA588: United flight 588
Denver (DEN) → Houston (IAH) · departs 4:20p, lands 7:51p 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
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UA588 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 14–20.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| DEN → IAHDenver to Houston | 4:20p | 7:51p | 2h31m | Daily |
Other nonstops from Denver to Houston
The departures either side of UA588. Times are Denver time.
| Flight | Departs | Days |
|---|---|---|
| United UA1599 | 11:47a | Daily |
| United UA1829 | 1:30p | Daily |
| United UA489 | 3:35p | Daily |
| This flight UA588 | 4:20p | Daily |
| United UA1587 | 5:25p | Daily |
| United UA1055 | 6:10p | Daily |
| Frontier | 6:16p | Mon, Tue, Wed, Thu, Sat, Sun |
All 15 flights from DEN to IAH, by time →
Flying back from Houston
United flies Houston to Denver nonstop 76 times a week, from 5:15a to 8:24p: 6:20a UA2415 · 9:35a UA1450 · 12:34p UA2168 · 4:30p UA470 · 8:24p UA685 · every nonstop IAH → DEN →
How UA588 ran in our sample
5 of 7 departures left within 15 minutes of schedule (Oct 14–20). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Airbus A321neo on 7 of 7.
What time does UA588 leave Denver?
UA588 is scheduled to depart Denver (DEN) at 4:20p (daily), Denver time, and to land in Houston (IAH) at about 7:51p local time, a scheduled 2h31m. Times are the published ones from the flights we sampled Oct 14–20; check United for today's.
What plane is UA588?
Airbus A321neo on 7 of the 7 UA588 flights from DEN we sampled Oct 14–20. Airlines swap aircraft, so the plane on a given day can differ.
Does UA588 fly every day?
Yes — UA588 flew Denver to Houston every day of the week we sampled (Oct 14–20).
Is UA588 usually on time?
Of 7 UA588 departures from DEN we sampled Oct 14–20, 5 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 Denver
Timetable from United departures we observed; UA588 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.