UA636United Airlines · ORD → GSP
live · 2m ago
Route confirmed United Airlines

UA636 ChicagoORD · 18:17 Greenville/Greer/SpartanburgGSP

UA636 by United Airlines flies from Chicago (ORD) to Greenville/Greer/Spartanburg (GSP).

Right nowNext departure today Operates daily
18:28

scheduled from ORD

Typical gate push−4 minmedian posted departure

Where the minutes go

last 6 operations · gate push → arrival
0+30+60+90 min
10-28
−4 gate
10-24
+3 gate
10-23
−8 gate
10-22
−3 gate
10-21
−4 gate
10-20
−671 gate

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

0 cancelled · 6 operations tracked

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
GSPGreenville/Greer/SpartanburgOn-time likelyGSP delay board →
ORD→GSPevery carrier, schedules and on-time historyRoute intelligence →

Tomorrow on this route

Forecast

Chicago to Greenville/Greer/Spartanburg with United Airlines · Thu 29 Oct, local date

Outlook: about usual
Chance a departure is cancelled
0.6%0.9× usual
Chance a departure leaves 60+ min late
6.0%0.9× usual

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 4 departures a day on this route with this airline. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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 Greenville/Greer/Spartanburg flights today

same route · United Airlines
UA4521departs 06:29
UA4554departs 06:55
UA4580departs 10:25
UA4608departs 10:34
UA5395departs 13:55
UA5403departs 13:55

If UA636 is cancelled, these are the other United Airlines nonstop flights from Chicago to Greenville/Greer/Spartanburg 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 UA636 actually runs

Pro Flight Search has tracked every published board update for UA636 across the ORD and GSP boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 6 confirmed departures · 6/6 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA636 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-28ORD 18:17 18:13 (−4)GSP
10-24ORD 17:59 18:02 (+3)GSP
10-23ORD 18:17 18:09 (−8)GSP
10-22ORD 18:17 18:14 (−3)GSP
10-21ORD 18:17 18:13 (−4)GSP
10-20ORD 18:17 07:06 (−671)GSP

Board clocks recorded as ORD and GSP 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 — UA636 Chicago to Greenville/Greer/Spartanburg on-time performance, measured from the ORD and GSP airport boards.

Canonical URL
https://proflightsearch.com/flight/UA636
How we measure this →