Flight UA2166
United Airlines | Chicago to San Francisco
Departure
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Return
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UA2166 | Chicago to San Francisco
Operated by United Airlines with 95% on-time rate. Check schedules, fares & cabin info to book your perfect journey!
Flight Information
Chicago (ORD) to San Francisco (SFO)
95%On-time Rate
Departure
17:16
O'Hare International Airport
ORD
Terminal T1
4h 54m
Direct
Arrival
19:26
San Francisco International Airport
SFO
Terminal T3
Airline
United Airlines
Aircraft
Boeing 737-900
Seats
Up to 191
Aircraft Age
12y, 11m
Boarding Gate: --
Check-in closes at 2026-02-01 16:31. Passengers are advised to arrive at the airport at least 2 hours prior to boarding.
Flight Punctuality
On-time performance data for flight UA2166
Departure Punctuality
On-time Rate
Punctuality 62%
Avg Delay
Late on average 40 minutes
Early
0%
On-time
62%
Delay <30min
24%
Delay 30-60min
10%
Delay >60min
5%
Cancelled
0%
Arrival Punctuality
On-time Rate
Punctuality 62%
Avg Delay
Late on average 40 minutes
Early
0%
On-time
62%
Delay <30min
24%
Delay 30-60min
10%
Delay >60min
5%
Cancelled
0%
Based on UA2166 flight history for Last 30 Days. On-time rate: Punctuality 62%, average delay: Late on average 40 minutes.
Flight Schedule
Upcoming schedule for flight UA2166
Fri, Jan 30
UA2166
United Airlines
B39M
21:31
ORD
Chicago
Direct
23:29
SFO
San Francisco
Mon, Feb 2
UA2166
United Airlines
B39M
17:16
ORD
Chicago
Direct
20:10
SFO
San Francisco
Mon, Jan 26
UA2166
United Airlines
B39M
18:19
ORD
Chicago
Direct
20:27
SFO
San Francisco
Sun, Feb 1
UA2166
United Airlines
B39M
17:16
ORD
Chicago
Direct
19:26
SFO
San Francisco
Thu, Jan 29
UA2166
United Airlines
B39M
17:35
ORD
Chicago
Direct
19:34
SFO
San Francisco
Tue, Jan 27
UA2166
United Airlines
B39M
17:44
ORD
Chicago
Direct
19:54
SFO
San Francisco
Wed, Jan 28
UA2166
United Airlines
B39M
17:40
ORD
Chicago
Direct
19:52
SFO
San Francisco
Schedule Information
Flight schedules are subject to change. Please check with the airline for the most up-to-date information.
Cabin Information
Available cabin classes for flight UA2166
✈️
Economy
UA2166
Seat Information
79 cm
More legroom than on 41% of flights
--
Seat width
105°
Reclining Angle
Facilities & Amenities
None
On-demand entertainment
Wi-Fi (additional charge)
Power outlet
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