United Airlines UA643 Flight Status Today

United Airlines

UA UAL
Departed On time
Last updated: Jan 22, 2026 02:12

Live Data: Real-time flight information updated at 2026-01-21

Last API update: Status Last Updated 3 Minutes Ago

Departure

SFO

San Francisco International Airport San Francisco

15:34

Terminal: B

Gate: 9

192 min

Boeing 737-700 Passenger (Scimitar Winglets)

Arrival

SNA

Santa Ana John Wayne Airport Santa Ana

20:46

Terminal: C

Gate: 33

UA643 Flight Information

  • Flight Number: UA643
  • Aircraft: Boeing 737-700 Passenger (Scimitar Winglets)
  • Frequency: MON-TUE-WED-THU-SUN
  • Status: Departed On time

Flight History (Last 30 Flights)

Historical flight data showing past 30 operations

Date Route Status Schedule Estimates/Actual Duration Aircraft
2025-12-21
SNA IAH
Departed On time
15:19 20:26
15:15 20:26
187min Boeing 737-700 Passenger (Scimitar Winglets)
2025-12-07
SFO SNA
Arrived On time
10:41 12:17
10:39 12:08
89min Boeing 737MAX 8 Passenger
2025-10-15
DEN ICT
Scheduled On time
17:25 19:53
17:25 19:53
88min Airbus A319
2025-10-02
DEN ICT
Scheduled On time
17:25 19:53
17:25 19:53
88min Airbus A319
2025-08-28
SFO SNA
Scheduled
2025-08-28 10:40 2025-08-28 12:16
-
96min -
2025-08-27
SFO SNA
Scheduled
2025-08-27 10:40 2025-08-27 12:16
-
96min -
2025-08-26
SFO SNA
Scheduled
2025-08-26 10:40 2025-08-26 12:16
-
96min -
2025-08-25
SFO SNA
Scheduled
2025-08-25 10:40 2025-08-25 12:16
-
96min -
2025-08-24
SFO SNA
Scheduled
2025-08-24 10:40 2025-08-24 12:16
-
96min -
2025-07-06
SNA DEN
Departed On time
13:15 16:33
13:16 16:34
138min Boeing 737MAX 8 Passenger
2025-05-19
DEN ICT
Scheduled
2025-05-19 17:30 2025-05-19 19:55
-
85min -
2025-05-18
DEN ICT
Scheduled
2025-05-18 17:30 2025-05-18 19:55
-
85min -
2025-05-17
DEN ICT
Scheduled
2025-05-17 17:30 2025-05-17 19:55
-
85min -
2025-05-16
DEN ICT
Scheduled
2025-05-16 17:30 2025-05-16 19:55
-
85min -
2025-05-15
DEN ICT
Scheduled
2025-05-15 17:30 2025-05-15 19:55
-
85min -
2025-05-14
DEN ICT
Scheduled
2025-05-14 17:30 2025-05-14 19:55
-
85min -
2025-05-13
DEN ICT
Estimated
2025-05-13 17:30 2025-05-13 19:55
2025-05-13 17:30
85min Airbus A319-131
2025-05-12
DEN ICT
Estimated
2025-05-12 17:30 2025-05-12 19:55
2025-05-12 17:30
85min Airbus A319-131
2025-05-11
DEN ICT
Estimated
2025-05-11 17:30 2025-05-11 19:55
2025-05-11 17:51
85min Airbus A319-131
2025-05-10
DEN ICT
Landed
2025-05-10 17:30 2025-05-10 19:55
2025-05-10 17:45 2025-05-10 19:45
60min Airbus A319-131
2025-05-09
DEN ICT
Landed
2025-05-09 17:30 2025-05-09 19:55
2025-05-09 17:56 2025-05-09 19:58
62min Airbus A319-131
2025-05-08
DEN ICT
Landed
2025-05-08 17:30 2025-05-08 19:55
2025-05-08 17:42 2025-05-08 19:44
62min Airbus A319-131
2025-05-07
DEN ICT
Landed
2025-05-07 17:30 2025-05-07 19:55
2025-05-07 19:03 2025-05-07 21:06
63min Airbus A319-131
2025-05-06
DEN ICT
Landed
2025-05-06 17:30 2025-05-06 19:55
2025-05-06 17:50 2025-05-06 19:55
65min Airbus A319-131
2025-05-05
DEN ICT
Landed
2025-05-05 17:30 2025-05-05 19:55
2025-05-05 17:54 2025-05-05 19:53
59min Airbus A320-232
2025-05-04
DEN ICT
Landed
2025-05-04 17:30 2025-05-04 19:55
2025-05-04 17:50 2025-05-04 19:51
61min Airbus A319-131
2025-05-03
DEN ICT
Landed
2025-05-03 17:30 2025-05-03 19:55
2025-05-03 18:02 2025-05-03 20:01
59min Airbus A320-232
2025-05-02
DEN ICT
Landed
2025-05-02 17:30 2025-05-02 19:55
2025-05-02 17:46 2025-05-02 19:44
58min Airbus A319-131
2025-05-01
DEN ICT
Landed
2025-05-01 17:30 2025-05-01 19:55
2025-05-01 18:50 2025-05-01 20:46
56min Airbus A320-232
2025-04-30
DEN ICT
Landed
2025-04-30 17:40 2025-04-30 20:05
2025-04-30 17:55 2025-04-30 19:55
60min Airbus A319-131

UA643 Live Status Details

API Status:
Departed On time

Actual Departure:
15:25

Estimated Arrival:
20:38

Baggage Claim:
C6

Data from Amadeus API for 2026-01-21

Live Updates

This flight is monitored in real-time. Status updates every 5 minutes.

UA643 Related Information

Airline
United Airlines
Departure Airport
SFO Departures
Arrival Airport
SNA Arrivals