UA552

For travellers

Departure · San Francisco (SFO)

Terminal T3 · Gate E3

Scheduled 01 Oct 21:25 · Departed 01 Oct 21:28

Board status: Departed

Airborne since 01 Oct 21:40 (ADS-B)

Board data from sfo, updated 451 min ago; times local to each airport.

Flight

Status

Completed

Arrival confirmed via

ADS-B (ground reading)

Departure

San Francisco International Airport (SFO) — San Francisco, United States

Scheduled departure

2026-10-02 04:25 UTC

Departed

2026-10-02 04:40 UTC

Arrival

Ontario International Airport (ONT) — Ontario, United States

Codeshares

AC4122, CM1456

Distance flown

679 km

Straight-line distance

585 km

Approach distance

58 km

Aircraft

Registration

N37535

Type

Boeing 737 MAX 9

Seats

179 total (117 Economy, 42 Economy Plus, 20 First)

CO2 (EMEP est., total)

12.4 t (88 kg/pax Business, 67 kg/pax Economy)

Altitude & speed

Max altitude

35,000 ft

Max ground speed

512 kt

Tracked

1h 26m · 677 km

Altitude (ft, max 35,000)

Ground speed (kt, max 512)

Altitude (ft, max 35,000)

Ground speed (kt, max 512)

From the ADS-B positions we received; time since the first fix. A dashed stretch is a gap in reception, bridged by a straight line.

Route map

Airline

United Airlines (UAL)

Latest flights

Departed	Flight	Route	Reg	Aircraft	Status	Distance
2026-10-02 04:40 UTC	UAL552	SFO → ONT San Francisco → Ontario	N37535	Boeing 737 MAX 9	Completed	679 km
2026-10-01 22:12 UTC	UAL552	MSP → SFO Minneapolis → San Francisco	N47330	Boeing 737 MAX 8	Completed	2639 km
2026-10-01 04:44 UTC	UAL552	SFO → ONT San Francisco → Ontario	N77426	Boeing 737 MAX 9	Completed	669 km
2026-09-30 22:10 UTC	UAL552	MSP → SFO Minneapolis → San Francisco	N17373	Boeing 737 MAX 8	Completed	2716 km
2026-09-29 22:13 UTC	UAL552	MSP → SFO Minneapolis → San Francisco	N17346	Boeing 737 MAX 8	Completed	2754 km