5X491 CalgaryYYC · 18:35 Sioux FallsFSD
5X491 by UPS Airlines flies from Calgary (YYC) to Sioux Falls (FSD) for the Thu, Nov 12 departure.
en route from YYC to FSD
board checked 11m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 18:25.
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
Delay & cancellation outlook for this flight
Measured, 90-day sampleConditions at YYC and FSD are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →
Tomorrow at Calgary
ForecastFri 13 Nov, local date
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
Tomorrow at Sioux Falls
ForecastFri 13 Nov, local date
- 28% chance of fog
Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.
When it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Calgary to Sioux Falls flights today
same route · UPS AirlinesIf 5X491 is cancelled, this is the other UPS Airlines nonstop flight from Calgary to Sioux Falls on the same day, with scheduled departure times in YYC local time. Most flights that show a delay still operate. Rebooking usually helps only when that delay is very large. Every airline on this route →
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 ~15 min early. 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: N912UP, N385UP, N173UP, N381UP.
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
Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.
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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