UA423: United flight 423
Chicago (ORD) → Philadelphia (PHL) · departs 6:42a, lands 9:52a local · Tue, Wed, Thu, Fri, Sun
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: ORD → PHLDrag to pan · scroll with ⌘/Ctrl to zoom · arrow keys when focused
UA423 timetable
Published departure and arrival times, each in its airport's local time, from the flights we sampled Oct 25–31.
| Route | Departs | Arrives | Scheduled | Days |
|---|---|---|---|---|
| ORD → PHLChicago to Philadelphia | 6:29a | 9:39a | 2h10m | Mon |
| ORD → PHLChicago to Philadelphia | 6:42a | 9:52a | 2h10m | Tue, Wed, Thu, Fri, Sun |
| ORD → PHLChicago to Philadelphia | 8:50a | 12:00p | 2h10m | Sat |
Other nonstops from Chicago to Philadelphia
The departures either side of UA423. Times are Chicago time.
| Flight | Departs | Days |
|---|---|---|
| American AA471 | 6:29a | Daily |
| This flight UA423 | 6:42a | Tue, Wed, Thu, Fri, Sun |
| American AA1725 | 8:29a | Daily |
| United UA729 | 8:50a | Mon, Tue, Wed, Thu, Fri, Sun |
| United UA350 | 11:07a | Daily |
All 16 flights from ORD to PHL, by time →
Flying back from Philadelphia
United flies Philadelphia to Chicago nonstop 42 times a week, from 6:10a to 7:10p: 6:10a UA660 · 9:34a UA1811 · 1:24p UA2784 · 5:08p UA308 · 7:10p UA2665 · every nonstop PHL → ORD →
How UA423 ran in our sample
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 737-900 on 4 of 7; also Airbus A320 (1), Boeing 737-700 (1), Boeing 737-800 (1).
What time does UA423 leave Chicago?
UA423 is scheduled to depart Chicago (ORD) at 6:29a (Mon), 6:42a (Tue, Wed, Thu, Fri, Sun), 8:50a (Sat), Chicago time, and to land in Philadelphia (PHL) at about 9:39a local time, a scheduled 2h10m. Times are the published ones from the flights we sampled Oct 25–31; check United for today's.
What plane is UA423?
Boeing 737-900 on 4 of the 7 UA423 flights from ORD we sampled Oct 25–31; the rest were a Airbus A320 or Boeing 737-700 or Boeing 737-800. Airlines swap aircraft, so the plane on a given day can differ.
Does UA423 fly every day?
Yes — UA423 flew Chicago to Philadelphia every day of the week we sampled (Oct 25–31).
Is UA423 usually on time?
Of 7 UA423 departures from ORD we sampled Oct 25–31, 7 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 Chicago
Timetable from United departures we observed; UA423 is a United Airlines flight number, and Hop Nonstop is not affiliated with United. Schedules change — confirm with the airline before you travel.