9X121 WashingtonIAD · 17:25 DuboisDUJ
9X121 by Southern Airways Express flies from Washington (IAD) to Dubois (DUJ) for the Wed, Oct 21 departure.
en route from IAD to DUJ
board checked 40m ago · checking again in 45s
Board estimate · gate and arrival times. Off blocks 17:06 · typical taxi-out at IAD ≈ 8.7 min.
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 operation0 cancelled · 9 operations tracked
The route today
live boardsWhen it flies
scheduled departuresEach mark is a scheduled departure at its origin-local time. Today is highlighted.
Other Washington to Dubois flights today
same route · Southern Airways ExpressIf 9X121 is cancelled, these are the other Southern Airways Express nonstop flights from Washington to Dubois on the same day, with scheduled departure times in IAD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →
How 9X121 actually runs
Pro Flight Search has tracked every published board update for 9X121 across the IAD and DUJ boards: schedule changes, gate pushes and actual clocks. Usually departs ~20 min early. Based on 9 confirmed departures · 8/9 within 15 min of schedule.
The verdict above is that record speaking, so it reflects how 9X121 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: N4118K, N1983X.
Board clocks recorded as IAD and DUJ published them.
Planning around 9X121? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure
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Pro Flight Search — 9X121 Washington to Dubois on-time performance, measured from the IAD and DUJ airport boards.
https://proflightsearch.com/flight/9X121
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