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
23:02 MDT
Timezone
America/Denver
Type
Small Airport
Elevation
5,288 ft
Coordinates
40.0391, -105.2260

cloud Weather

Wind
190° / 3 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
26°C / 8°C
Altimeter
30.20 inHg

Obs: 2026-07-14T04:55:00.000Z

Raw METAR 
METAR KBDU 140455Z AUTO 19003KT 10SM CLR 26/08 A3020 RMK AO2

Arrival

WBU KBDU VFR

Boulder Municipal Airport

Boulder, US

Local time
23:02 MDT
Timezone
America/Denver
Type
Small Airport
Elevation
5,288 ft
Coordinates
40.0391, -105.2260

cloud Weather

Wind
190° / 3 kt
Visibility
10 SM
Ceiling
CLR
Temp / Dew
26°C / 8°C
Altimeter
30.20 inHg

Obs: 2026-07-14T04:55:00.000Z

Raw METAR 
METAR KBDU 140455Z AUTO 19003KT 10SM CLR 26/08 A3020 RMK AO2

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
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 - -
2026-06-16 A4FFC0 WBU → WBU Jun 16, 18:45 UTCJun 16, 19:10 UTC25m - -
2026-06-16 A4FFC0 WBU → WBU Jun 16, 15:50 UTCJun 16, 17:59 UTC2h 10m - -
2026-06-15 A4FFC0 WBU → WBU Jun 15, 19:05 UTCJun 15, 20:00 UTC55m - -
2026-06-12 A4FFC0 WBU → WBU Jun 12, 15:15 UTCJun 12, 16:05 UTC50m - -
2026-06-11 A4FFC0 - Jun 11, 15:35 UTCJun 11, 17:05 UTC1h 30m - -
2026-06-09 A4FFC0 WBU → WBU Jun 9, 16:45 UTCJun 9, 17:15 UTC30m - -
2026-06-09 A4FFC0 WBU → WBU Jun 9, 15:05 UTCJun 9, 15:50 UTC45m - -
2026-06-06 A4FFC0 WBU → WBU Jun 6, 15:34 UTCJun 6, 16:10 UTC35m - -
2026-06-05 A4FFC0 WBU → WBU Jun 5, 19:50 UTCJun 5, 20:35 UTC45m - -
2026-06-05 A4FFC0 WBU → WBU Jun 5, 17:25 UTCJun 5, 17:55 UTC30m - -
2026-06-05 A4FFC0 WBU → WBU Jun 5, 16:05 UTCJun 5, 16:50 UTC45m - -
2026-06-04 A4FFC0 WBU → WBU Jun 4, 19:30 UTCJun 4, 20:00 UTC30m - -
2026-06-03 A4FFC0 WBU → WBU Jun 3, 18:30 UTCJun 3, 20:05 UTC1h 35m - -

Performance history

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

Monthly activity 4 months

Month Flights tracked
July 2026 11
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 57m 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 72 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.