OO4991 Flight Status SkyWest Airlines: Chicago to Sioux Falls (SKW4991)
OO 4991 Chicago to Sioux Falls Flight Status
Not scheduled today. Latest flight: October 4th, 2026 ; recent history is in the table below.
OO 4991 Flight Status & Schedule SkyWest Airlines Chicago to Sioux Falls
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Oct 04 | ORD | FSD | 10:02 | 11:14 | Landed | Track > |
| Oct 03 | ORD | FSD | 09:58 | 11:11 | Landed | Track > |
| Oct 02 | ORD | FSD | 10:54 | 12:10 | Landed Late | Track > |
| Oct 01 | ORD | FSD | 09:49 | 11:04 | Landed | Track > |
| Sep 30 | ORD | FSD | 11:15 | 12:27 | Delayed | Track > |
| Sep 29 | ORD | FSD | 09:57 | 11:06 | Landed | Track > |
| Sep 28 | ORD | FSD | 10:12 | 11:23 | Landed | Track > |
| Sep 27 | ORD | FSD | 10:48 | 11:53 | Landed Late | Track > |
| Sep 26 | ORD | FSD | 10:12 | 11:20 | Landed | Track > |
| Sep 25 | ORD | FSD | 10:18 | 11:33 | Landed | Track > |
SkyWest Airlines flight OO 4991 links Chicago and Sioux Falls, 742 km (461 mi) apart. The timetable allows 1 h 56 min, but the flight usually takes about 1 h 10 min, so it often makes up time. It is not flying today; the last flight, on 4 October 2026, landed on time.
About OO 4991
- Distance
- 742 km (461 mi)
- Typical flight time
- 1 h 10 min
- On time
- 7 of the last 9
- Average delay when late
- 26 min
- Usually departs from
- Terminal 3
OO 4991 FAQ
- How long is the OO4991 flight?
- The timetable allows 1 h 56 min. Chicago to Sioux Falls is 742 km (461 mi).
- How often is OO4991 late?
- 2 of the last 9 flights arrived 15 or more minutes late; when late, by 26 minutes on average.
- Which terminal does OO4991 use?
- It usually leaves from Terminal 3 at Chicago O'Hare International Airport (ORD). Check the flight card above for today's terminal and gate.
- What other flight numbers does OO4991 have?
- Also listed as SKW4991 (SkyWest Airlines' ICAO code) and OO 4991.
OO4991 and Chicago ORD to Sioux Falls FSD Flights
Flight OO4991 is code-shared by 1 airline using the flight number AS4401
Other flights departing from Chicago ORD: AA1459, MQ3573, MQ4002, AA6568
Other flights arriving at Sioux Falls FSD: G4107, OO3888, OO4966, OO3763
All flights connecting Chicago ORD to Sioux Falls FSD.