UA2100 San FranciscoSFO · 12:00 KalispellFCA
UA2100 by United Airlines flies from San Francisco (SFO) to Kalispell (FCA) for the Mon, Sep 14 departure.
en route from SFO to FCA
board checked 48m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 11:53 · typical taxi-out at SFO ≈ 13.2 min.
Where the minutes go
last 4 operations · gate push → arrivalThe bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other San Francisco to Kalispell flights today
same route · United AirlinesIf UA2100 is cancelled, these are the other United Airlines nonstop flights from San Francisco to Kalispell on the same day, with scheduled departure times in SFO local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How UA2100 actually runs
Pro Flight Search has tracked every published board update for UA2100 across the SFO and FCA boards: schedule changes, gate pushes and actual clocks. Usually departs on time. Based on 4 confirmed departures · 3/4 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how UA2100 operates rather than what the timetable promises. Numbers refresh as new flights operate.
How this operation is measured
Board log
scheduled → actual, per operationBoard clocks recorded as SFO and FCA published them.
Planning around UA2100? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — UA2100 San Francisco to Kalispell on-time performance, measured from the SFO and FCA airport boards.
https://proflightsearch.com/flight/UA2100
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