Apparatus

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flight_takeoff Flight

UAL421

Operated by United Airlines

Live map

Live map filtered to UAL421. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BDL KBDL VFR

Bradley International Airport

Hartford, US

Local time
03:28 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
173 ft
Coordinates
41.9386, -72.6880

cloud Weather

Wind
310° / 10 kt
Visibility
10 SM
Ceiling
FEW 5,000 ft, SCT 8,000 ft
Temp / Dew
11°C / 7°C
Altimeter
29.69 inHg

Obs: 2026-05-30T06:51:00.000Z

Raw METAR / TAF 
METAR KBDL 300651Z 31010KT 10SM FEW050 SCT080 11/07 A2969 RMK AO2 RAE0559 SLP054 P0000 T01110067

TAF KBDL 300537Z 3006/3112 33012G23KT P6SM BKN100 FM301200 33013G26KT P6SM BKN025 FM301400 01022G32KT 6SM -SHRA BKN015 FM302000 01018G28KT P6SM BKN035 FM302300 01012G20KT P6SM SCT110 FM310200 34008KT P6SM FEW250

flight Live Traffic

flight_takeoff 5 Departures
flight_land 9 Arrivals

Arrival

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
03:28 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
0° / 0 kt
Visibility
10 SM
Ceiling
FEW 25,000 ft
Temp / Dew
13°C / 11°C
Altimeter
29.81 inHg

Obs: 2026-05-30T06:52:00.000Z

Raw METAR / TAF 
METAR KIAD 300652Z 00000KT 10SM FEW250 13/11 A2981 RMK AO2 SLP093 T01330106

TAF KIAD 300538Z 3006/3112 00000KT P6SM FEW250 FM300800 33007G15KT P6SM FEW250 FM301200 36011G21KT P6SM SKC FM302300 01011KT P6SM SKC FM310100 02006KT P6SM SKC FM310700 35003KT P6SM SKC

flight Live Traffic

flight_takeoff 34 Departures
flight_land 49 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-05-29 A0B7FD BDL → IAD May 29, 22:10 UTCMay 30, 01:10 UTC3h 0m - -
2026-05-28 AA07F9 BDL → IAD May 28, 22:25 UTCMay 29, 01:20 UTC2h 55m - -
2026-05-27 A0B88A BDL → IAD May 27, 22:10 UTCMay 28, 01:15 UTC3h 5m - -
2026-05-26 A55FE9 BDL → IAD May 26, 22:05 UTCMay 27, 01:05 UTC3h 0m - -
2026-05-25 A0B7DE BDL → IAD May 25, 22:10 UTCMay 26, 01:00 UTC2h 50m - -
2026-05-24 A0B7BA BDL → IAD May 24, 23:00 UTCMay 24, 23:46 UTC46m - -
2026-05-23 A2452F BDL → IAD May 23, 22:05 UTCMay 24, 01:05 UTC3h 0m - -
2026-05-22 A0B86C BDL → IAD May 22, 22:05 UTCMay 23, 01:00 UTC2h 55m - -
2026-05-21 A0B889 BDL → IAD May 21, 22:10 UTCMay 22, 01:15 UTC3h 5m - -
2026-05-20 A533BD BDL → IAD May 20, 18:15 UTCMay 20, 20:10 UTC1h 55m - -
2026-05-19 A57F04 BDL → IAD May 19, 18:10 UTCMay 19, 19:55 UTC1h 45m - -
2026-05-19 A57F04 BDL → IAD May 19, 18:13 UTCMay 19, 19:47 UTC1h 34m +13m -2m
2026-05-18 A57F04 BDL → IAD May 18, 18:30 UTCMay 18, 20:20 UTC1h 50m - -
2026-05-18 A57F04 BDL → IAD May 18, 18:13 UTCMay 18, 20:16 UTC2h 3m +13m -15m
2026-05-17 A59B5E BDL → IAD May 17, 18:15 UTCMay 17, 20:40 UTC2h 25m - -
2026-05-17 A59B5E BDL → IAD May 17, 18:13 UTCMay 17, 20:34 UTC2h 21m +13m +31m
2026-05-16 A553CE BDL → IAD May 16, 18:15 UTCMay 16, 20:20 UTC2h 5m - -
2026-05-15 A53006 BDL → IAD May 15, 18:15 UTCMay 15, 20:10 UTC1h 55m - -
2026-05-14 A5CE02 BDL → IAD May 14, 18:40 UTCMay 14, 20:30 UTC1h 50m - -
2026-05-13 A5954E BDL → IAD May 13, 20:20 UTCMay 13, 22:10 UTC1h 50m - -
2026-05-12 A524E1 BDL → IAD May 12, 18:10 UTCMay 12, 20:05 UTC1h 55m - -
2026-05-11 A56A18 BDL → IAD May 11, 18:25 UTCMay 11, 20:15 UTC1h 50m - -
2026-05-11 A56A18 BDL → IAD May 11, 18:13 UTCMay 11, 20:14 UTC2h 1m +13m -23m
2026-05-10 A55785 BDL → IAD May 10, 18:20 UTCMay 10, 20:14 UTC1h 55m - -
2026-05-09 A620B7 BDL → IAD May 9, 18:05 UTCMay 9, 20:00 UTC1h 55m - -
2026-05-08 A5E095 BDL → IAD May 8, 18:20 UTCMay 8, 20:20 UTC2h 0m - -
2026-05-07 A5EA5C BDL → IAD May 7, 18:20 UTCMay 7, 20:20 UTC2h 0m - -
2026-05-06 A54299 BDL → IAD May 6, 18:05 UTCMay 6, 20:10 UTC2h 5m - -
2026-05-06 A54299 BDL → IAD May 6, 18:13 UTCMay 6, 20:08 UTC1h 55m +13m +11m
2026-05-05 A553CE BDL → IAD May 5, 18:10 UTCMay 5, 20:01 UTC1h 50m - -

Performance history

Flights tracked
61 showing last 30
Avg arrival delay
on time
On-time arrival
80% 80% on time
Aircraft used
23

Monthly activity 2 months

Month Flights tracked
May 2026 35
April 2026 26

UAL421 frequently asked

Where does flight UAL421 fly?
UAL421 (United Airlines) flies from BDL to IAD. View the full route page.
How long is flight UAL421?
Based on observed flights, UAL421 takes on average 2h 11m from takeoff to landing.
How often does UAL421 fly?
UAL421 has been observed flying daily in our tracking data. We've recorded 61 flights under this callsign.
Is flight UAL421 usually on time?
Across recent flights, UAL421 arrives 0 minutes early on average. 80% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL421?
UAL421 has been operated by 23 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL421 live?
Yes. When UAL421 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.