UA393 Flight Status United Airlines: San Francisco to Ontario (UAL393)

Are you looking for the November 14th, 2026 UA 393 New York to Key West flight? Go to our UA393 New York to Key West Flight Status page >

UA 393 San Francisco to Ontario Flight Status

Not scheduled today (November 14th, 2026). Latest flight: October 24th, 2026 ; recent history is in the table below.

UA 393 Flight Status & Schedule United Airlines San Francisco to Ontario

Date From To Departure Arrival Status Details
Oct 24 SFO ONT 16:45 17:40 Landed Track >
Oct 20 SFO ONT 16:25 17:30 Landed Track >
Oct 17 SFO ONT 16:33 17:35 Landed Track >
Oct 13 SFO ONT 16:29 17:21 Landed Track >
Oct 10 SFO ONT 17:36 18:38 Delayed Track >
Oct 06 SFO ONT 16:24 17:18 Landed Track >
Oct 03 SFO ONT 16:26 17:23 Landed Track >
Sep 29 SFO ONT 16:26 17:23 Landed Track >
Sep 26 SFO ONT 16:32 17:36 Landed Track >

United Airlines operates UA 393 from San Francisco to Ontario, a 585 km (363 mi) trip. Its timetable allows 1 h 31 min; in practice it usually takes about 55 min, so it often makes up time. It is not flying today; the last flight, on 24 October 2026, landed on time.

< All San Francisco SFO Departures All Ontario ONT Arrivals >

About UA 393

United Airlines Flight UA393 connects San Francisco, United States to Ontario, United States, taking off from San Francisco International Airport SFO and landing at Ontario International Airport ONT.

Route
San Francisco International Airport SFO to Ontario International Airport ONT
Distance
585 km (363 mi)
Typical flight time
55 min
On time
8 of the last 8

UA 393 FAQ

How long is the UA393 flight from San Francisco to Ontario?
The timetable allows 1 h 31 min. San Francisco to Ontario is 585 km (363 mi).
How often is UA393 from San Francisco to Ontario late?
None of the last 8 flights arrived 15 or more minutes late.
When was the latest UA393 flight from San Francisco to Ontario?
The latest UA393 was the 16:15 (local time) departure from San Francisco on 24 October 2026; it landed 6 minutes early.
Which terminal does UA393 use?
It usually arrives at Terminal 2 at Ontario International Airport (ONT). Check the flight card above for today's terminal and gate.
What other flight numbers does UA393 have?
Also listed as UAL393 (United Airlines' ICAO code) and UA 393.

UA393 and San Francisco SFO to Ontario ONT Flights

Flight UA393 is code-shared by 2 airlines using the flight numbers AC4014, EK6372

Other flights departing from San Francisco SFO: UA639, UA1754, UA2150, OO4671

Other flights arriving at Ontario ONT: JX10, AS592, OO3032, WN3862

All flights connecting San Francisco SFO to Ontario ONT.