MQ4251Envoy Air · ORD → FSD
live · 14m ago
Route confirmed Envoy Air

MQ4251 ChicagoORD Sioux FallsFSD · 00:47

MQ4251 by Envoy Air flies from Chicago (ORD) to Sioux Falls (FSD).

Right nowNext departure today Operates daily
23:39

scheduled from ORD

Typical arrival+15 minmedian over 13 operations
Cancellation0 in 13tracked operations · cancellation odds calculator →

Where the minutes go

last 7 operations · gate push → arrival
0+30+60+90 min
10-31
+19 arrival
10-30
+39 arrival
10-29
+36 arrival
10-28
+14 arrival
10-27
+15 arrival
10-26
+12 arrival
10-25
+14 arrival

The 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 operation

median arrival +15 min · 0 cancelled · 13 operations tracked

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

Delay & cancellation outlook for this flight

Measured, 90-day sample
47%Chance of 15+ min delay
2.2%Chance of cancellation
+11 minTypical airport delay in this weather

Conditions at ORD and FSD are near their clear-air norm right now, so this reflects the route's recent baseline rather than a weather penalty. These figures come from both airports' records 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 →

Tomorrow on this route

Forecast

Chicago to Sioux Falls with Envoy Air · Mon 2 Nov, local date

Outlook: high
Chance a departure is cancelled
2.6%1.7× usual
Chance a departure leaves 60+ min late
18%1.7× usual

Forecast weather: 82% chance of rain at Chicago; 48% chance of thunder, 97% chance of rain and gusts to 33 kt at Sioux Falls

Forecast: GateWeather · incl. data from ECMWF (CC BY 4.0, modified) · Fewer than one departure a day on this route with this airline, so read it as a rough guide. · Expected values for tomorrow from a forecast model, kept apart from today's measured figures.

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.

How MQ4251 actually runs

Pro Flight Search has tracked every published board update for MQ4251 across the ORD and FSD boards: schedule changes, gate pushes and actual clocks. Usually lands ~21 min late. Based on 13 confirmed landings · 1/13 within 15 min of schedule.

The verdict above is that record speaking, so it reflects how MQ4251 operates rather than what the timetable promises. Numbers refresh as new flights operate.

Technical record

How this operation is measured

board clocksaircraft

Board log

scheduled → actual, per operation
10-31ORD FSD 00:47 01:06 (+19)
10-30ORD FSD 00:02 00:41 (+39)
10-29ORD FSD 00:05 00:41 (+36)
10-28ORD FSD 00:06 00:20 (+14)
10-27ORD FSD 00:01 00:16 (+15)
10-26ORD FSD 00:09 00:21 (+12)
10-25ORD FSD 00:00 00:14 (+14)
10-24ORD FSD 00:00 00:14 (+14)
10-23ORD FSD 23:58 00:11 (+13)
10-22ORD FSD 23:59 00:24 (+25)
10-21ORD FSD 00:08 00:34 (+26)
10-20ORD FSD 00:00 00:06 (+6)
10-19ORD FSD 23:57 00:19 (+22)

Aircraft

Recent tails: N770JM, N787BP, N751AB, N779RN.

Board clocks recorded as ORD and FSD published them.

Planning around MQ4251? 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: MQ4251 Chicago to Sioux Falls on-time performance, measured from the ORD and FSD airport boards.

Canonical URL
https://proflightsearch.com/flight/MQ4251
How we measure this →