UA658United Airlines · ORD → ONT
live · 29m ago
Route confirmed United Airlines

UA658 ChicagoORD · 20:20 OntarioONT · 22:51

UA658 by United Airlines flies from Chicago (ORD) to Ontario (ONT).

Right nowNext departure today Operates daily
20:20

scheduled from ORD

Typical gate push+2 minmedian posted departure
Typical arrival+3 minmedian over 4 operations

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
10-24
+2 gate · +3 arrival
10-23
−5 gate · −29 arrival
10-22
−5 gate · −13 arrival
10-21
+34 gate · +10 arrival

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

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
ONTOntarioOn-time likelyONT delay board →
ORD→ONTevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
45%Chance of 15+ min delay
1.2%Chance of cancellation
+22 minAvg hub delay right now

Driven mainly by ORD (Chicago), currently flying LIFR (low instrument). 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.

How UA658 actually runs

Pro Flight Search has tracked every published board update for UA658 across the ORD and ONT boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 4/4 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA658 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
10-24ORD 20:20 20:22 (+2)ONT 22:51 22:54 (+3)
10-23ORD 20:20 20:15 (−5)ONT 22:49 22:20 (−29)
10-22ORD 20:20 20:15 (−5)ONT 22:49 22:36 (−13)
10-21ORD 20:20 20:54 (+34)ONT 22:49 22:59 (+10)

Aircraft

Recent tails: N472UA, N14219, N12216, N17574.

Board clocks recorded as ORD and ONT 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 — UA658 Chicago to Ontario on-time performance, measured from the ORD and ONT airport boards.

Canonical URL
https://proflightsearch.com/flight/UA658
How we measure this →