UA1921 Flight Status United Airlines: San Francisco to Chicago (UAL1921)
Are you looking for the November 14th, 2026 UA 1921 Chicago to Providenciales flight? Go to our UA1921 Chicago to Providenciales Flight Status page >
UA 1921 San Francisco to Chicago Flight Status
Not scheduled today (November 14th, 2026). Latest flight: September 7th, 2026 ; recent history is in the table below.
- This flight started in Reno (RNO): UA1921 Reno to San Francisco departs at 07:55 local time on Sep 7.
UA 1921 Flight Status & Schedule United Airlines San Francisco to Chicago
| Date | From | To | Departure | Arrival | Status | Details |
|---|---|---|---|---|---|---|
| Sep 07 | SFO | ORD | 10:23 | 16:36 | Unknown | Track > |
| Sep 06 | SFO | ORD | 10:17 | 16:39 | Unknown | Track > |
| Sep 05 | SFO | ORD | 15:06 | 20:39 | Delayed | Track > |
| Sep 04 | SFO | ORD | 10:32 | 16:36 | Unknown | Track > |
| Sep 03 | SFO | ORD | 11:05 | 16:50 | Landed | Track > |
| Sep 02 | SFO | ORD | 10:19 | 16:36 | Unknown | Track > |
| Sep 01 | SFO | ORD | 10:36 | 16:36 | Unknown | Track > |
| Aug 31 | SFO | ORD | 10:26 | 16:13 | Diverted | Track > |
| Aug 30 | SFO | ORD | 10:55 | 16:49 | Landed | Track > |
| Aug 29 | SFO | ORD | 10:19 | 16:00 | Landed | Track > |
United Airlines' San Francisco–Chicago flight covers 2,964 km (1,842 mi). The timetable allows 4 h 31 min; there is not enough recent history yet to say how long it usually takes. It is not flying today; the last flight was scheduled on 7 September 2026.
About UA 1921
United Airlines Flight UA1921 connects San Francisco, United States to Chicago, United States, taking off from San Francisco International Airport SFO and landing at Chicago O'Hare International Airport ORD.
- Distance
- 2,964 km (1,842 mi)
- Scheduled flight time
- 4 h 31 min
- Usually departs from
- Terminal 3
UA 1921 FAQ
- How long is the UA1921 flight from San Francisco to Chicago?
- The timetable allows 4 h 31 min. San Francisco to Chicago is 2,964 km (1,842 mi).
- When was the latest UA1921 flight from San Francisco to Chicago?
- The latest UA1921 was the 10:05 (local time) departure from San Francisco on 3 September 2026; it landed 14 minutes late.
- Which terminal does UA1921 use?
- It usually leaves from Terminal 3 at San Francisco International Airport (SFO) and arrives at Terminal 1 at Chicago O'Hare International Airport (ORD). Check the flight card above for today's terminal and gate.
- What other flight numbers does UA1921 have?
- Also listed as UAL1921 (United Airlines' ICAO code) and UA 1921.
UA1921 and San Francisco SFO to Chicago ORD Flights
Flight UA1921 is code-shared by 3 airlines using the flight numbers AC4065, NZ9301, VA8099
Other flights departing from San Francisco SFO: UA2836, UA781, OO5460
Other flights arriving at Chicago ORD: UA1191, OO5490, UA1369, AA2738
All flights connecting San Francisco SFO to Chicago ORD.