5X491 CalgaryYYC · 17:45 Sioux FallsFSD
5X491 by UPS Airlines flies from Calgary (YYC) to Sioux Falls (FSD) for the Fri, Sep 18 departure.
departs YYC · on schedule
board checked 2m ago · checking again in 45s
Where the minutes go
last 6 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The last 30 days
arrival outcome per operation0 cancelled · 6 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by FSD (Sioux Falls), 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 departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
How 5X491 actually runs
Pro Flight Search has tracked every published board update for 5X491 across the YYC and FSD boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 6 confirmed departures · 6/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how 5X491 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationAircraft
Recent tails: N917UP, N371UP, N375UP, N168UP.
Board clocks recorded as YYC and FSD published them.
Planning around 5X491? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — 5X491 Calgary to Sioux Falls on-time performance, measured from the YYC and FSD airport boards.
https://proflightsearch.com/flight/5X491
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