UA4803United Airlines · IAH → GRR
live · 45m ago
Route confirmed United Airlines

UA4803 HoustonIAH · 12:13 Grand RapidsGRR · 16:10

UA4803 by United Airlines flies from Houston (IAH) to Grand Rapids (GRR) for the Tue, Aug 18 departure.

Right nowScheduled · gate B65 · as of 14:54
12:11

departs IAH · 2 min early

Typical gate push−8 minmedian posted departure
Typical arrival+84 minmedian over 1 operations

The route today

live boards
IAHHoustonOn-time likelyIAH delay board →
GRRGrand RapidsHigh riskGRR delay board →
IAH→GRRevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
44%Chance of 15+ min delay
2.6%Chance of cancellation
+17 minAvg hub delay right now

Conditions at IAH and GRR are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. 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 Houston to Grand Rapids flights today

same route · United Airlines
UA6134departs 12:15

If UA4803 is cancelled, this is the other United Airlines nonstop flight from Houston to Grand Rapids on the same day, with scheduled departure times in IAH local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How UA4803 actually runs

Pro Flight Search has tracked every published board update for UA4803 across the IAH and GRR boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 1 completed leg so far: landed +84 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA4803 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
08-16IAH 12:13 12:05 (−8)GRR 16:10 17:34 (+84)

Aircraft

Recent tails: N36280.

Board clocks recorded as IAH and GRR 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 — UA4803 Houston to Grand Rapids on-time performance, measured from the IAH and GRR airport boards.

Canonical URL
https://proflightsearch.com/flight/UA4803
How we measure this →