UA5666 Idaho FallsIDA DenverDEN · 17:58
UA5666 by United Airlines flies from Idaho Falls (IDA) to Denver (DEN) for the Sat, Sep 19 departure.
arrival expected at DEN · 3 min late
board checked 14m 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 operationmedian arrival +28 min · 0 cancelled · 6 operations tracked
The route today
live boardsHow UA5666 actually runs
Pro Flight Search has tracked every published board update for UA5666 across the IDA and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands ~28 min late. Based on 6 confirmed landings · 3/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA5666 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: N703SY, N732SY, N702SY, N705SY.
Board clocks recorded as IDA and DEN published them.
Planning around UA5666? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA5666 Idaho Falls to Denver on-time performance, measured from the IDA and DEN airport boards.
https://proflightsearch.com/flight/UA5666
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