UA4398United Airlines · ORD → EWR
live · 21m ago
Route confirmed United Airlines

UA4398 ChicagoORD · 07:39 New YorkEWR · 11:01

UA4398 by United Airlines flies from Chicago (ORD) to New York (EWR).

Same number through ORD → RIC → EWR

Right nowNext departure tomorrow Operates daily
07:39

scheduled from ORD

Typical gate push−2 minmedian posted departure

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-29
−2 gate
10-24
−9 gate
10-23
−1 gate
10-22
−2 gate
10-21
−10 gate
10-20
−10 gate
10-19
+55 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 · 9 operations tracked

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
EWRNew YorkOn-time likelyEWR delay board →
ORD→EWRevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
43%Chance of 15+ min delay
2.0%Chance of cancellation
+10 minTypical airport delay in this weather

Conditions at ORD and EWR are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →

Tomorrow on this route

Forecast

Chicago to Richmond with United Airlines · Fri 30 Oct, local date

Outlook: below usual
Chance a departure is cancelled
0.6%0.7× usual
Chance a departure leaves 60+ min late
8.7%0.7× usual

Forecast: WeatherTomorrow · incl. data from ECMWF (CC BY 4.0, modified) · About 5 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 New York flights today

same route · United Airlines
UA8183departs 01:00
UA4606departs 07:15
UA4505departs 07:58
UA3532departs 10:32
UA4452departs 11:10
UA3523departs 14:00

If UA4398 is cancelled, these are the other United Airlines nonstop flights from Chicago to New York on the same day, with scheduled departure times in ORD local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →

How UA4398 actually runs

Pro Flight Search has tracked every published board update for UA4398 across the ORD and EWR boards: schedule changes, gate pushes and actual clocks. Usually lands ~6 min early. Based on 8 confirmed landings · 6/8 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how UA4398 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
10-29ORD 07:39 07:37 (−2)EWR
10-24ORD 07:39 07:30 (−9)EWR
10-23ORD 07:39 07:38 (−1)EWR
10-22ORD 07:39 07:37 (−2)EWR
10-21ORD 07:39 07:29 (−10)EWR
10-20ORD 07:39 07:29 (−10)EWR
10-19ORD 07:39 08:34 (+55)EWR
10-18ORD 07:39 07:32 (−7)EWR
10-17ORD 07:39 08:46 (+67)EWR

Aircraft

Recent tails: N522GJ, N569GJ, N511GJ, N542GJ.

Board clocks recorded as ORD and EWR 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: UA4398 Chicago to New York on-time performance, measured from the ORD and EWR airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4398
How we measure this →