Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL3877

Operated by United Airlines

Live map

Live map filtered to UAL3877. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BFM KBFM VFR

Mobile Downtown Airport

Mobile, US

Local time
19:34 CDT
Timezone
America/Chicago
Type
Medium Airport
Elevation
26 ft
Coordinates
30.6268, -88.0681

cloud Weather

Wind
220° / 5 kt
Visibility
10 SM
Ceiling
FEW 4,300 ft, OVC 6,000 ft
Temp / Dew
24°C / 19°C
Altimeter
29.98 inHg

Obs: 2026-04-18T23:53:00.000Z

Raw METAR / TAF 
METAR KBFM 182353Z 22005KT 10SM FEW043 OVC060 24/19 A2998 RMK AO2 SLP152 T02440194 10278 20244 55000

TAF KBFM 182320Z 1900/1924 21007G17KT P6SM SCT050 SCT060 FM190600 33009KT 6SM -RA OVC020 FM190900 35014G22KT 6SM -RA OVC010 FM191400 36015G24KT P6SM FEW010 SCT250

Arrival

DEN KDEN VFR

Denver International Airport

Denver, US

Local time
18:34 MDT
Timezone
America/Denver
Type
Large Airport
Elevation
5,431 ft
Coordinates
39.8600, -104.6738

cloud Weather

Wind
80° / 7 kt
Visibility
10 SM
Ceiling
BKN 25,000 ft
Temp / Dew
13°C / -13°C
Altimeter
30.17 inHg

Obs: 2026-04-18T23:53:00.000Z

Raw METAR / TAF 
METAR KDEN 182353Z 08007KT 10SM BKN250 13/M13 A3017 RMK AO2 SLP205 T01281128 10133 20061 55006 $

TAF KDEN 182330Z 1900/2006 VRB06KT P6SM FEW220 FM190200 16007KT P6SM SCT220 FM190600 20011KT P6SM FEW220 FM191500 VRB06KT P6SM SKC FM191900 07007KT P6SM FEW120 FM200100 13008KT P6SM SKC

flight Live Traffic

flight_takeoff 291 Departures
flight_land 324 Arrivals

Recent history last 3

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-18 A2DFFE BFM → DEN Apr 18, 04:45 UTCApr 18, 05:30 UTC45m - -
2026-04-18 A2DFFE BFM → DEN Apr 18, 03:25 UTCApr 18, 05:20 UTC1h 55m - -
2026-04-18 A2DFFE BFM → DEN Apr 18, 03:05 UTCApr 18, 03:20 UTC15m - -

Performance history

Flights tracked
3
Avg arrival delay
-
On-time arrival
-
Aircraft used
1

Monthly activity 1 month

Month Flights tracked
April 2026 3

UAL3877 frequently asked

Where does flight UAL3877 fly?
UAL3877 (United Airlines) flies from BFM to DEN. View the full route page.
How long is flight UAL3877?
Based on observed flights, UAL3877 takes on average 58m from takeoff to landing.
How often does UAL3877 fly?
UAL3877 has been observed flying rarely in our tracking data. We've recorded 3 flights under this callsign.
Can I track UAL3877 live?
Yes. When UAL3877 is currently airborne, the live tracker map above shows its real-time position from ADS-B broadcasts. If the map is empty, the flight is not currently in the air.