UA4559United Airlines · SCE → ORD
live · 53m ago
Route confirmed United Airlines

UA4559 State CollegeSCE ChicagoORD · 07:46

UA4559 by United Airlines flies from State College (SCE) to Chicago (ORD) for the Tue, Oct 13 departure.

Right nowExpected in Chicago · today
07:46

arrival expected at ORD · on schedule

Typical arrival−11 minmedian over 14 operations
Cancellation0 in 14tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-12
−30 arrival
10-11
−13 arrival
10-10
−11 arrival
10-09
−2 arrival
10-08
−2 arrival
10-07
−10 arrival
10-06
−16 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 −11 min · 0 cancelled · 14 operations tracked

The route today

live boards
SCEState CollegeOn-time likelySCE delay board →
ORDChicagoModerate riskORD delay board →
SCE→ORDevery carrier, schedules and on-time historyRoute intelligence →

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.

How UA4559 actually runs

Pro Flight Search has tracked every published board update for UA4559 across the SCE and ORD boards: schedule changes, gate pushes and actual clocks. Usually lands ~11 min early. Based on 13 confirmed landings · 13/13 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA4559 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
10-12SCE ORD 07:46 07:16 (−30)
10-11SCE ORD 07:46 07:33 (−13)
10-10SCE ORD 07:46 07:35 (−11)
10-09SCE ORD 07:46 07:44 (−2)
10-08SCE ORD 07:46 07:44 (−2)
10-07SCE ORD 07:46 07:36 (−10)
10-06SCE ORD 07:46 07:30 (−16)
10-05SCE ORD 07:46 07:19 (−27)
10-04SCE ORD 07:46 07:59 (+13)
10-03SCE ORD 07:46 07:34 (−12)
10-02SCE ORD 07:46 07:43 (−3)
10-01SCE ORD 07:46 07:35 (−11)
09-30SCE ORD 07:46 07:30 (−16)
09-29SCE ORD 07:46 09:28 (+102)

Board clocks recorded as SCE and ORD published them.

Planning around UA4559? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

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 — UA4559 State College to Chicago on-time performance, measured from the SCE and ORD airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4559
How we measure this →