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UA8121 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
CDG
Charles de Gaulle International Airport
Paris (Roissy-en-France, Val-d'Oise)
T2C Gate A40 Scheduled 1:00 PM
Actual 1:17 PM
YUL
Montreal / Pierre Elliott Trudeau International Airport
Montréal
Gate 50 Scheduled 3:45 PM
Actual 3:41 PM
7h 45m flight time
Daily
Recent Flights
Last 3 observedMar 16
Mon
CDG
YUL
Dep 13:00:00
(actual 13:20:00)
77W
Boarding
Mar 13
Fri
CDG
YUL
Dep 13:00:00
(actual 13:40:00)
77W
In Air
Mar 07
Sat
DEN
ORD
Dep 01:31:00
Landed
Schedule
Operates
Daily
Departure
1:00 PM
Arrival
3:45 PM
Duration
7h 45m
Aircraft
Boeing 777-300ER
Terminal
T2C
Gate
A40
50
Actual
13:17
15:41
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 15 —
Jun 16, 2026