UA391 BurlingtonBTV · 16:07 DenverDEN · 18:21
UA391 by United Airlines flies from Burlington (BTV) to Denver (DEN) for the Tue, Sep 15 departure.
arrival expected at DEN · on schedule
board checked 24m ago · checking again in 45s
Where the minutes go
last 7 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 −4 min · 0 cancelled · 8 operations tracked
The route today
live boardsWeather lens
Weather-conditioned outlook for this flight right now
Measured, 90-day sampleDriven mainly by DEN (Denver), currently flying MVFR (marginal visual). 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 UA391 actually runs
Pro Flight Search has tracked every published board update for UA391 across the BTV and DEN boards: schedule changes, gate pushes and actual clocks. Usually lands on time. Based on 6 confirmed landings · 5/6 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA391 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: N17356, N34222, N37290, N73278.
Board clocks recorded as BTV and DEN published them.
Planning around UA391? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA391 Burlington to Denver on-time performance, measured from the BTV and DEN airport boards.
https://proflightsearch.com/flight/UA391
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