AA4251American Airlines · ORD → FSD
live · 15m ago
Route confirmed American Airlines

AA4251 ChicagoORD · 22:48 Sioux FallsFSD · 00:41

AA4251 by American Airlines flies from Chicago (ORD) to Sioux Falls (FSD) for the Tue, Oct 13 departure.

Right nowScheduled · gate H5
22:48

departs ORD · on schedule

Typical gate push−2 minmedian posted departure

Where the minutes go

last 3 operations · gate push → arrival
0+30+60+90 min
10-12
−2 gate
10-11
−2 gate
10-10
+25 gate

The bar is how late it left the gate; the ring is where it actually arrived. Board clocks, not estimates.

The route today

live boards
ORDChicagoOn-time likelyORD delay board →
FSDSioux FallsHigh riskFSD delay board →
ORD→FSDevery carrier, schedules and on-time historyRoute intelligence →

Weather lens

Weather-conditioned outlook for this flight right now

Measured, 90-day sample
49%Chance of 15+ min delay
1.8%Chance of cancellation
+16 minAvg hub delay right now

Driven mainly by FSD (Sioux Falls), 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 departures
061422
M
T
W
T
F
S
S

Each mark is a scheduled departure at its origin-local time. Today is highlighted.

Other Chicago to Sioux Falls flights today

same route · American Airlines
AA3358departs 09:40
AA3890departs 12:26
AA4958departs 17:07
AA6200departs 17:07
AA4942departs 22:30

If AA4251 is cancelled, these are the other American Airlines nonstop flights from Chicago to Sioux Falls on the same day, with scheduled departure times in ORD local time. Most flights posting a delay still operate — rebooking usually only beats a very large posted delay. Every airline on this route →

How AA4251 actually runs

Pro Flight Search has tracked every published board update for AA4251 across the ORD and FSD boards: schedule changes, gate pushes and actual clocks. Early read — pattern not clear yet. Only 3 completed legs so far: departed -2 min. Not enough to call it.

The verdict above is that record speaking, so it reflects how AA4251 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocks

Board log

scheduled → actual, per operation
10-12ORD 22:48 22:46 (−2)FSD 00:41
10-11ORD 22:48 22:46 (−2)FSD 00:41
10-10ORD 22:48 23:13 (+25)FSD 00:41

Board clocks recorded as ORD and FSD published them.

Planning around AA4251? Will a delayed flight be cancelled? · Do planes make up time in the air? · How we measure

Cite this data

Journalists, bloggers, and researchers may cite this page with attribution and a link to Pro Flight Search.

Suggested citation

Pro Flight Search — AA4251 Chicago to Sioux Falls on-time performance, measured from the ORD and FSD airport boards.

Canonical URL
https://proflightsearch.com/flight/AA4251
How we measure this →