UA313United Airlines · IAH → YYZ
live · 1h ago
Route confirmed United Airlines

UA313 HoustonIAH · 18:16 TorontoYYZ · 22:36

UA313 by United Airlines flies from Houston (IAH) to Toronto (YYZ) for the Fri, Sep 11 departure.

Right nowScheduled · gate E15 · as of 01:20
18:16

departs IAH · on schedule

Typical gate push+3 minmedian posted departure
Typical arrival−14 minmedian over 3 operations
Wins back in air~17 minmedian gate push vs arrival · how planes make up time →

Where the minutes go

last 4 operations · gate push → arrival
0+30+60+90 min
09-11
−14 arrival
09-10
+7 gate · −14 arrival
09-09
−3 gate · −30 arrival
09-08
+3 gate

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
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
39%Chance of 15+ min delay
4.8%Chance of cancellation
+12 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
UA2606departs 10:04

If UA313 is cancelled, this is the other United Airlines nonstop flight 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 UA313 actually runs

Pro Flight Search has tracked every published board update for UA313 across the IAH and YYZ boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: landed -4 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how UA313 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
09-11IAH 18:16YYZ 22:36 22:22 (−14)
09-10IAH 18:16 18:23 (+7)YYZ 22:36 22:22 (−14)
09-09IAH 18:16 18:13 (−3)YYZ 22:36 22:06 (−30)
09-08IAH 18:16 18:19 (+3)YYZ

Aircraft

Recent tails: N54711.

Board clocks recorded as IAH and YYZ 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 — UA313 Houston to Toronto on-time performance, measured from the IAH and YYZ airport boards.

Canonical URL
https://proflightsearch.com/flight/UA313
How we measure this →