WS1542WestJet · YYC → IAH
live · 37m ago
Route confirmed WestJet

WS1542 CalgaryYYC · 17:30 HoustonIAH · 22:40

WS1542 by WestJet flies from Calgary (YYC) to Houston (IAH) for the Mon, Aug 17 departure.

Right nowEn route to Houston · off blocks 18:08 · 38 min late
En route

en route from YYC to IAH

En routeWS1542 · position estimated
YYCCalgaryIAHHouston
Estimated from the boards

Board estimate · gate and arrival times. Off blocks 18:08. No receiver coverage over open ocean.

Typical gate push+38 minmedian posted departure
Typical arrival+0 minmedian over 4 operations
Wins back in air~38 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
08-18
+38 gate · +0 arrival
08-17
+38 gate · +0 arrival
08-16
+19 gate · +5 arrival
08-15
−3 arrival

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
YYCCalgaryOn-time likelyYYC delay board →
IAHHoustonOn-time likelyIAH delay board →
YYC→IAHevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Delay & cancellation outlook for this flight

Measured, 90-day sample
37%Chance of 15+ min delay
6.5%Chance of cancellation
+9 minAvg hub delay right now

Conditions at YYC and IAH 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 Calgary to Houston flights today

same route · WestJet
WS1540departs 08:45
WS1544departs 08:45

If WS1542 is cancelled, these are the other WestJet nonstop flights from Calgary to Houston on the same day, with scheduled departure times in YYC local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How WS1542 actually runs

Pro Flight Search has tracked every published board update for WS1542 across the YYC and IAH boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 4 confirmed landings · 4/4 within 15 min of schedule. Pushes back late but makes up time in the air.

The verdict above is that record speaking, so it reflects how WS1542 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
08-18YYC 17:30 18:08 (+38)IAH 22:40 (+0)
08-17YYC 17:30 18:08 (+38)IAH 22:40 (+0)
08-16YYC 17:30 17:49 (+19)IAH 22:40 22:45 (+5)
08-15YYC IAH 22:40 22:37 (−3)

Aircraft

Recent tails: C-FKWS, C-GWJG.

Board clocks recorded as YYC and IAH 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 — WS1542 Calgary to Houston on-time performance, measured from the YYC and IAH airport boards.

Canonical URL
https://proflightsearch.com/flight/WS1542
How we measure this →