UA311: United flight 311
Houston (IAH) → Philadelphia (PHL) · departs 6:36p, lands 10:57p 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 → PHLDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
UA311 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Nov 5–11.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| IAH → PHLHouston to Philadelphia | 6:36p | 10:57p | 3h21m | Daily |
Other nonstops from Houston to Philadelphia
The departures either side of UA311. Times are Houston time.
| Flight | Departs | Days |
|---|---|---|
| American AA2667 | 12:46p | Daily |
| United UA332 | 2:20p | Daily |
| American AA1550 | 4:10p | Mon, Thu, Fri, Sun |
| This flight UA311 | 6:36p | Daily |
All 6 flights from IAH to PHL, by time →
Flying back from Philadelphia
United flies Philadelphia to Houston nonstop 20 times a week, from 6:16a to 6:15p: 6:16a UA584 · 1:05p UA2038 · 6:15p UA2474 · every nonstop PHL → IAH →
How UA311 ran in our sample
5 of 7 departures left within 15 minutes of schedule (Nov 5–11). Only flights that departed are counted: cancellations are not in our data.
Aircraft: Boeing 737-900 on 7 of 7.
What time does UA311 leave Houston?
UA311 is scheduled to depart Houston (IAH) at 6:36p (daily), Houston time, and to land in Philadelphia (PHL) at about 10:57p local time, a scheduled 3h21m. Times are the published ones from the flights we sampled Nov 5–11; check United for today's.
What plane is UA311?
Boeing 737-900 on 7 of the 7 UA311 flights from IAH we sampled Nov 5–11. Airlines swap aircraft, so the plane on a given day can differ.
Does UA311 fly every day?
Yes — UA311 flew Houston to Philadelphia every day of the week we sampled (Nov 5–11).
Is UA311 usually on time?
Of 7 UA311 departures from IAH we sampled Nov 5–11, 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 Houston
Timetable from United departures we observed; UA311 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.