UA2856United Airlines · ORD → PHL
live · 10m ago
Route confirmed United Airlines

UA2856 ChicagoORD · 07:00 PhiladelphiaPHL · 14:09

UA2856 by United Airlines flies from Chicago (ORD) to Philadelphia (PHL) for the Tue, Oct 13 departure.

Right nowScheduled · gate B11
07:00

departs ORD · on schedule

Typical gate push−6 minmedian posted departure
Typical arrival−6 minmedian over 7 operations

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-12
−2 gate · +6 arrival
10-11
+1 gate · +6 arrival
10-10
−8 gate · −21 arrival
10-09
−4 gate · −6 arrival
10-08
−8 gate · −14 arrival
10-07
−6 gate · −11 arrival
10-06
−9 gate · −1 arrival

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The last 30 days

arrival outcome per operation

median arrival −6 min · 0 cancelled · 8 operations tracked

The route today

live boards
ORDChicagoModerate riskORD delay board →
PHLPhiladelphiaModerate riskPHL delay board →
ORD→PHLevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
44%Chance of 15+ min delay
0.9%Chance of cancellation
+12 minAvg hub delay right now

Conditions at ORD and PHL are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. For this route and airline, under conditions like today's, over the last 90 days.

Pro Flight Search tracking, 90 days · the weather × delay correlation study → · live weather risk by airport →

When it flies

scheduled departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Chicago to Philadelphia flights today

same route · United Airlines
UA729departs 09:07
UA2182departs 11:25
UA2430departs 14:51
UA2825departs 16:00
UA1776departs 18:15

If UA2856 is cancelled, these are the other United Airlines nonstop flights from Chicago to Philadelphia on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA2856 actually runs

Pro Flight Search has tracked every published board update for UA2856 across the ORD and PHL boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min early. Based on 7 confirmed landings · 7/7 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA2856 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-12ORD 07:00 06:58 (−2)PHL 14:09 14:15 (+6)
10-11ORD 07:00 07:01 (+1)PHL 14:09 14:15 (+6)
10-10ORD 07:00 06:52 (−8)PHL 14:11 13:50 (−21)
10-09ORD 07:00 06:56 (−4)PHL 14:09 14:03 (−6)
10-08ORD 07:00 06:52 (−8)PHL 14:09 13:55 (−14)
10-07ORD 07:00 06:54 (−6)PHL 14:09 13:58 (−11)
10-06ORD 07:00 06:51 (−9)PHL 14:09 14:08 (−1)
10-05ORD 07:00 06:54 (−6)PHL

Aircraft

Recent tails: N17752, N39728, N39461, N37354.

Board clocks recorded as ORD and PHL published them.

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — UA2856 Chicago to Philadelphia on-time performance, measured from the ORD and PHL airport boards.

Canonical URL
https://proflightsearch.com/flight/UA2856
How we measure this →