UA1874United Airlines · IAH → YYZ
live · 3m ago
Route confirmed United Airlines

UA1874 HoustonIAH · 05:15 TorontoYYZ · 06:47

UA1874 by United Airlines flies from Houston (IAH) to Toronto (YYZ) for the Sat, Oct 24 departure.

Same number through IAH → DEN → YYZ

Right nowLanded in Toronto · today
06:21

arrived at YYZ · 26 min early

Typical gate push+27 minmedian posted departure

The route today

live boards
IAHHoustonOn-time likelyIAH delay board →
YYZTorontoOn-time likelyYYZ delay board →
IAH→YYZevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
35%Chance of 15+ min delay
2.2%Chance of cancellation
+10 minAvg hub delay right now

Conditions at IAH and YYZ 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 Toronto flights today

same route · United Airlines
UA2415departs 06:20
UA1664departs 06:30
UA1575departs 07:20
UA1686departs 08:30
UA1450departs 09:35
UA3935departs 09:45

If UA1874 is cancelled, these are the other United Airlines nonstop flights from Houston to Toronto 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 UA1874 actually runs

Pro Flight Search has tracked every published board update for UA1874 across the IAH and YYZ boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 2 completed legs so far: landed +29 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA1874 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
10-24IAH 05:15 05:07 (−8)YYZ
10-23IAH 05:15 05:42 (+27)YYZ

Aircraft

Recent tails: N54525.

Board clocks recorded as IAH and YYZ published them.

Planning around UA1874? 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 — UA1874 Houston to Toronto on-time performance, measured from the IAH and YYZ airport boards.

Canonical URL
https://proflightsearch.com/flight/UA1874
How we measure this →