Live tracking not available yet
UA377 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
PHX
Phoenix Sky Harbor International Airport
Phoenix
T3 Gate E9 Scheduled 3:35 PM
Actual 3:35 PM
DEN
Denver International Airport
Denver
Gate A20 Scheduled 6:25 PM
Actual 6:25 PM
Baggage claim 12
1h 50m flight time
Daily
Recent Flights
Last 1 observedMar 07
Sat
PHX
DEN
Dep 19:12:00
(actual 14:51:00)
7M9
Boarding
Schedule
Operates
Daily
Departure
3:35 PM
Arrival
6:25 PM
Duration
1h 50m
Aircraft
Boeing 737-900
Terminal
T3
Gate
E9
A20
Actual
15:35
18:25
Baggage
Carousel 12
Operating Days
Mo
Tu
We
Th
Fr
Sa
Su
Upcoming
Fri, Mar 20
Sat, Mar 21
Sun, Mar 22
Mon, Mar 23
Tue, Mar 24
Wed, Mar 25
Thu, Mar 26
Schedule valid
Mar 17 —
Mar 28, 2026