UA

UA440

BOS Boston SFO San Francisco

Live tracking not available yet

UA440 has a schedule in our database but isn't on the airport board right now. Live position data typically appears within a few hours of departure.

Flight Status

Scheduled

Route Info

BOS Boston Logan International Airport
Boston
TB Scheduled 4:15 PM
SFO San Francisco International Airport
San Francisco
T3 Scheduled 7:49 PM
6h 34m flight time
Daily

Recent Flights

Last 1 observed
Mar 09
Mon
FLL DEN
Dep 12:00:00 (actual 12:12:00) 7M9
In Air

Schedule

Operates Daily
Departure 4:15 PM
Arrival 7:49 PM
Duration 6h 34m
Terminal TB T3
Mo
Tu
We
Th
Fr
Sa
Su
Thu, Mar 19 Fri, Mar 20 Sat, Mar 21 Sun, Mar 22 Mon, Mar 23 Tue, Mar 24 Wed, Mar 25
Schedule valid May 21 — Jun 16, 2026