Skyscanner home
Flight

UA4639 (UAL4639)

Route

BOISFO

Status

Arrived

Tickets for this flight are also sold by: Air Canada AC4229, Air New Zealand NZ9392, ANA (All Nippon Airways) NH7335

United flight UA4639 left Boise Airport on 29 Sept 2026 at 08:23 and arrived in San Francisco International Airport at 08:43 local time.

Status:Arrived
Refresh

Other UA4639 flights

Multiple flights operate under the UA4639 flight number.
FromToDepartsArrivesStatus

Departure

Departs fromBoise (BOI)
DateTue 29 Sept
Departs
08:1508:23
TerminalNot available
GateB10
Check-in deskNot available

Arrival

Arrives atSan Francisco International (SFO)
DateTue 29 Sept
Arrives
09:1808:43
Terminal3
GateF7
Luggage belt4
Track another flight

Millions of cheap flights. One simple search.

Return selected
Return selected
origin
Enter the city you're flying from, or choose from the options below
Include nearby airports
    selected
    destination
    . Enter your destination, or choose from the options below
    Include nearby airports
      selected
      Travellers and cabin class, 1 Adult, Economy

      Compare and save with Skyscanner