UA4559United Airlines · SCE → ORD
live · 6m ago
Route confirmed United Airlines

UA4559 State CollegeSCE ChicagoORD · 07:48

UA4559 by United Airlines flies from State College (SCE) to Chicago (ORD) for the Sun, Oct 25 departure.

Right nowLanded in Chicago · today
07:24

arrived at ORD · 24 min early

Typical arrival−4 minmedian over 15 operations
Cancellation0 in 15tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+45+90+135 min
10-25
−24 arrival
10-24
−20 arrival
10-23
+44 arrival
10-22
−1 arrival
10-21
−12 arrival
10-20
+135 arrival
10-19
−8 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 −4 min · 0 cancelled · 15 operations tracked

The route today

live boards
SCEState CollegeOn-time likelySCE delay board →
ORDChicagoOn-time likelyORD 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 on time. Based on 14 confirmed landings · 11/14 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
10-25SCE ORD 07:48 07:24 (−24)
10-24SCE ORD 07:46 07:26 (−20)
10-23SCE ORD 07:46 08:30 (+44)
10-22SCE ORD 07:46 07:45 (−1)
10-21SCE ORD 07:46 07:34 (−12)
10-20SCE ORD 07:46 10:01 (+135)
10-19SCE ORD 07:46 07:38 (−8)
10-18SCE ORD 07:46 07:42 (−4)
10-17SCE ORD 07:46 07:49 (+3)
10-16SCE ORD 07:46 07:44 (−2)
10-15SCE ORD 07:46 07:51 (+5)
10-14SCE ORD 07:46 08:02 (+16)
10-13SCE ORD 07:46 07:41 (−5)
10-12SCE ORD 07:46 07:16 (−30)
10-11SCE ORD 07:46 07:33 (−13)

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 →