Apparatus

Try JFK, AAL1290, BAW, or N225AN.

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
14:00 MDT
Timezone
America/Denver
Type
Small Airport
Elevation
5,288 ft
Coordinates
40.0391, -105.2260

cloud Weather

Wind
110° / 6 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
27°C / 0°C
Altimeter
29.82 inHg

Obs: 2026-10-12T19:35:00.000Z

Raw METAR 
METAR KBDU 121935Z AUTO 11006KT 10SM CLR 27/00 A2982 RMK AO2

Arrival

WBU KBDU VFR

Boulder Municipal Airport

Boulder, US

Local time
14:00 MDT
Timezone
America/Denver
Type
Small Airport
Elevation
5,288 ft
Coordinates
40.0391, -105.2260

cloud Weather

Wind
110° / 6 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
27°C / 0°C
Altimeter
29.82 inHg

Obs: 2026-10-12T19:35:00.000Z

Raw METAR 
METAR KBDU 121935Z AUTO 11006KT 10SM CLR 27/00 A2982 RMK AO2

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A4FFC0 WBU → WBU Jul 26, 16:15 UTCJul 26, 17:05 UTC50m - -
2026-07-25 A4FFC0 WBU → WBU Jul 25, 16:35 UTCJul 25, 16:55 UTC20m - -
2026-07-25 A4FFC0 WBU → WBU Jul 25, 15:40 UTCJul 25, 15:55 UTC15m - -
2026-07-23 A4FFC0 WBU → WBU Jul 23, 17:55 UTCJul 23, 18:40 UTC45m - -
2026-07-23 A4FFC0 WBU → WBU Jul 23, 16:50 UTCJul 23, 17:25 UTC35m - -
2026-07-23 A4FFC0 WBU → WBU Jul 23, 15:40 UTCJul 23, 15:55 UTC15m - -
2026-07-22 A4FFC0 WBU → WBU Jul 22, 18:35 UTCJul 22, 19:55 UTC1h 20m - -
2026-07-22 A4FFC0 WBU → WBU Jul 22, 16:15 UTCJul 22, 17:10 UTC55m - -
2026-07-16 A4FFC0 - Jul 16, 19:10 UTCJul 16, 19:50 UTC40m - -
2026-07-16 A4FFC0 WBU → WBU Jul 16, 16:15 UTCJul 16, 16:40 UTC25m - -
2026-07-15 A4FFC0 WBU → WBU Jul 15, 18:30 UTCJul 15, 19:15 UTC45m - -
2026-07-15 A4FFC0 WBU → WBU Jul 15, 17:20 UTCJul 15, 17:30 UTC10m - -
2026-07-15 A4FFC0 WBU → WBU Jul 15, 15:30 UTCJul 15, 16:30 UTC1h 0m - -
2026-07-13 A4FFC0 WBU → WBU Jul 13, 16:10 UTCJul 13, 16:50 UTC40m - -
2026-07-12 A4FFC0 WBU → WBU Jul 12, 19:01 UTCJul 12, 19:10 UTC10m - -
2026-07-10 A4FFC0 WBU → WBU Jul 10, 16:55 UTCJul 10, 18:05 UTC1h 10m - -
2026-07-09 A4FFC0 WBU → WBU Jul 9, 16:00 UTCJul 9, 17:15 UTC1h 15m - -
2026-07-06 A4FFC0 WBU → WBU Jul 6, 18:15 UTCJul 6, 19:50 UTC1h 35m - -
2026-07-06 A4FFC0 WBU → WBU Jul 6, 16:15 UTCJul 6, 17:00 UTC45m - -
2026-07-05 A4FFC0 WBU → WBU Jul 5, 18:15 UTCJul 5, 20:05 UTC1h 50m - -
2026-07-04 A4FFC0 WBU → WBU Jul 4, 17:05 UTCJul 4, 19:15 UTC2h 10m - -
2026-07-01 A4FFC0 WBU → WBU Jul 1, 18:05 UTCJul 1, 19:25 UTC1h 20m - -
2026-07-01 A4FFC0 WBU → WBU Jul 1, 17:00 UTCJul 1, 17:10 UTC10m - -
2026-07-01 A4FFC0 WBU → WBU Jul 1, 15:35 UTCJul 1, 15:50 UTC15m - -
2026-06-30 A4FFC0 WBU → WBU Jun 30, 18:00 UTCJun 30, 20:25 UTC2h 25m - -
2026-06-28 A4FFC0 WBU → WBU Jun 28, 20:29 UTCJun 28, 20:45 UTC15m - -
2026-06-26 A4FFC0 WBU → WBU Jun 26, 18:44 UTCJun 26, 19:09 UTC25m - -
2026-06-20 A4FFC0 WBU → WBU Jun 20, 17:34 UTCJun 20, 17:59 UTC25m - -
2026-06-18 A4FFC0 WBU → WBU Jun 18, 15:35 UTCJun 18, 16:00 UTC25m - -
2026-06-17 A4FFC0 WBU → WBU Jun 17, 16:40 UTCJun 17, 18:10 UTC1h 30m - -

Performance history

Flights tracked
85 showing last 30
Avg arrival delay
-
On-time arrival
-
Aircraft used
1

Monthly activity 4 months

Month Flights tracked
July 2026 24
June 2026 20
May 2026 29
April 2026 12

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 50m from takeoff to landing.
How often does N421EF fly?
N421EF has been observed flying several times a week in our tracking data. We've recorded 85 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.