United UA1645 Flight Status Tracker
UA1645 is a domestic flight operated by United. UA1645 is departing from Ontario (ONT), United States and arriving at San Francisco (SFO), United States. The flight distance is about 585.63 km or 363.89 miles and flight time is 1 hours 21 minutes. Get the latest status of UA1645 / UAL1645 here.
Update on April 17, 2026, 11:38 a.m.
Lastest Status
Arrived On time
| ONT | SFO |
Distance: 585.63 km / 363.89 miles or 316.21 nautical miles.
Departure Ontario International Airport
Actual Departure: 05:57
Scheduled Departure: 06:00
Departure Terminal : N/A Gate None
Arrival San Francisco International Airport
Actual Arrival: 07:56
Scheduled Arrival: 08:18
Arrival Terminal : 3 Gate None
Flight UA1645 detail information
| Type | Domestic Flight |
| Route | Departure Ontario (ONT), United States and arriving at San Francisco (SFO), United States |
| Airlines | United (UA) |
| Aircraft | |
| Flight Duration | 1 hours 21 minutes |
| Flight Distance | 585.63 km /363.89 miles |
| Operating Days | Monday, Tuesday, Wednesday, Thursday, Friday, Saturday |
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UA1645 Airports
| Departures |
|---|
| Airport: Ontario International Airport, United States |
| ICAO Code: ONT |
| ONT Current time: 07:58 17-Apr-2026 |
| Arrivals |
| Airport: San Francisco International Airport, United States |
| ICAO Code: SFO |
| SFO Current time: 07:58 17-Apr-2026 |