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UA5921 Flight Status ( Ontario to San Francisco )

ARRIVED 7 HOUR 46 MINUTES AGO
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dep   

Departure (UA5921 Flight Schedule)

Ontario Intl ()

flag Ontario, United States

16:03 PDT

Fri 25-Sep-2026

 LATE 27 min
PDT 00:00:00 DAY
arr   

Arrival (UA5921 Flight Schedule)

San Francisco Intl ()

flag San Francisco, United States

17:50 PDT

Fri 25-Sep-2026

 ON TIME
PDT 00:00:00 DAY

Flight Radar Checker UA 5921

Live Flight Tracker Map

Flight UA5921 from Ontario to San Francisco is operated by United Airlines. Scheduled time of departure from Ontario Intl is 16:03 PDT and scheduled time of arrival in San Francisco Intl is 17:50 PDT. The duration of the flight is 1 hour 47 minutes.

N146SY

EMBRAER (E75L)

Not Rated

Flight Finder
from San Francisco to Ontario

Flight Departure Arrival

07:39
San Francisco Intl
()
Ontario Intl
()

10:23
San Francisco Intl
()
Ontario Intl
()

12:12
San Francisco Intl
()
Ontario Intl
()

14:01
San Francisco Intl
()
Ontario Intl
()

14:27
San Francisco Intl
()
Ontario Intl
()

15:22
San Francisco Intl
()
Ontario Intl
()

15:41
San Francisco Intl
()
Ontario Intl
()

17:46
San Francisco Intl
()
Ontario Intl
()

17:51
San Francisco Intl
()
Ontario Intl
()

18:11
San Francisco Intl
()
Ontario Intl
()

18:16
San Francisco Intl
()
Ontario Intl
()

19:36
San Francisco Intl
()
Ontario Intl
()

20:01
San Francisco Intl
()
Ontario Intl
()

20:06
San Francisco Intl
()
Ontario Intl
()

22:59
San Francisco Intl
()
Ontario Intl
()

History Flight Information for UA5921 from Flight Scanner System

Date Flight Departure Airport Arrival Airport Scheduled Plane Estimated
Departure Arrival Departure Arrival
Sat, 26 Sep UA5921 Ontario Intl () San Francisco Intl () 16:03 PDT 17:50 PDT
Fri, 25 Sep UA5921 Ontario Intl () San Francisco Intl () 16:03 PDT 17:50 PDT (EMBRAER E75L) 16:46 PDT 17:46 PDT

Disclaimer for UA5921 Flight Radar Data

Flight UA5921 from Ontario Intl to San Francisco Intl data is collected from different sources. The data is for informational purposes only and PlaneMapper is not responsible for the accuracy and reliability of flight UA5921 data.