Apparatus

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flight_takeoff Flight

N421EF

Live map

Live map filtered to N421EF. Shown when the flight is currently airborne.

Route airports View route page →

Departure

WBU KBDU VFR

Boulder Municipal Airport

Boulder, US

Local time
16:43 MDT
Timezone
America/Denver
Type
Small Airport
Elevation
5,288 ft
Coordinates
40.0391, -105.2260

cloud Weather

Wind
250° / 17G21 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
28°C / -12°C
Altimeter
29.57 inHg

Obs: 2026-04-22T22:15:00.000Z

Raw METAR 
METAR KBDU 222215Z AUTO 25017G21KT 10SM CLR 28/M12 A2957 RMK AO2

Arrival

WBU KBDU VFR

Boulder Municipal Airport

Boulder, US

Local time
16:43 MDT
Timezone
America/Denver
Type
Small Airport
Elevation
5,288 ft
Coordinates
40.0391, -105.2260

cloud Weather

Wind
250° / 17G21 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
28°C / -12°C
Altimeter
29.57 inHg

Obs: 2026-04-22T22:15:00.000Z

Raw METAR 
METAR KBDU 222215Z AUTO 25017G21KT 10SM CLR 28/M12 A2957 RMK AO2

Recent history last 5

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-22 A4FFC0 WBU → WBU Apr 22, 16:05 UTCApr 22, 17:40 UTC1h 35m - -
2026-04-21 A4FFC0 - Apr 21, 21:45 UTCApr 21, 23:45 UTC2h 0m - -
2026-04-19 A4FFC0 WBU → WBU Apr 19, 16:45 UTCApr 19, 17:45 UTC1h 0m - -
2026-04-19 A4FFC0 WBU → WBU Apr 19, 15:25 UTCApr 19, 15:50 UTC25m - -
2026-04-12 A4FFC0 - Apr 12, 19:40 UTCApr 12, 20:15 UTC35m - -

Performance history

Flights tracked
5
Avg arrival delay
-
On-time arrival
-
Aircraft used
1

Monthly activity 1 month

Month Flights tracked
April 2026 5

N421EF frequently asked

Where does flight N421EF fly?
N421EF flies from WBU to WBU. View the full route page.
How long is flight N421EF?
Based on observed flights, N421EF takes on average 1h 7m from takeoff to landing.
How often does N421EF fly?
N421EF has been observed flying occasionally in our tracking data. We've recorded 5 flights under this callsign.
Can I track N421EF live?
Yes. When N421EF 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.