UA4542United Airlines · ORD → LIT
live · 56m ago
Route confirmed United Airlines

UA4542 ChicagoORD · 21:20 Little RockLIT · 23:21

UA4542 by United Airlines flies from Chicago (ORD) to Little Rock (LIT) for the Sun, Sep 20 departure.

Right nowScheduled · gate F23 · as of 01:05
21:20

departs ORD · on schedule

Typical gate push+46 minmedian posted departure
Typical arrival−22 minmedian over 2 operations
Wins back in air~68 minmedian gate push vs arrival · how planes make up time →

The route today

live boards
ORDChicagoHigh riskORD delay board →
LITLittle RockOn-time likelyLIT delay board →
ORD→LITevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
57%Chance of 15+ min delay
2.7%Chance of cancellation
+31 minAvg hub delay right now

Driven mainly by ORD (Chicago), currently flying IFR (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.

Other Chicago to Little Rock flights today

same route · United Airlines
UA4512departs 08:40
UA4458departs 12:50
UA5317departs 13:00

If UA4542 is cancelled, these are the other United Airlines nonstop flights from Chicago to Little Rock 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 UA4542 actually runs

Pro Flight Search has tracked every published board update for UA4542 across the ORD and LIT boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: left heavily delayed (~46 min) but landed about 22 min early. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA4542 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
09-19ORD 21:20 22:06 (+46)LIT 23:21 22:58 (−23)
09-18ORD 21:20 21:15 (−5)LIT 23:21 22:59 (−22)

Aircraft

Recent tails: N521GJ, N520GJ.

Board clocks recorded as ORD and LIT published them.

Planning around UA4542? 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 — UA4542 Chicago to Little Rock on-time performance, measured from the ORD and LIT airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4542
How we measure this →