Apparatus

Try JFK, AAL1290, BAW, or N225AN.

flight_takeoff Flight

UAL721

Operated by UAL

Live map

Live map filtered to UAL721. Shown when the flight is currently airborne.

Route airports View route page →

Departure

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
23:47 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
200° / 6 kt
Visibility
10 SM
Ceiling
SCT 4,000 ft, BKN 7,000 ft, BKN 9,500 ft
Temp / Dew
16°C / 15°C
Altimeter
29.84 inHg

Obs: 2026-04-15T02:54:00.000Z

Raw METAR / TAF 
METAR KBOS 150254Z 20006KT 10SM SCT040 BKN070 BKN095 16/15 A2984 RMK AO2 RAE01 SLP103 P0000 60020 T01610150 51023

TAF KBOS 150010Z 1500/1606 20012KT P6SM BKN120 TEMPO 1500/1502 28015G30KT 5SM -SHRA OVC035 FM150300 22007KT P6SM BKN180 FM150500 23006KT P6SM FEW240 FM151600 09010KT P6SM BKN100 FM151800 09010KT P6SM BKN020 PROB30 1521/1602 2SM -TSRA OVC009CB FM160300 36004KT 3SM BR BKN004

flight Live Traffic

flight_takeoff 248 Departures
flight_land 291 Arrivals

Arrival

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
23:47 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
360° / 11 kt
Visibility
10 SM
Ceiling
FEW 6,000 ft, BKN 7,500 ft, OVC 11,000 ft
Temp / Dew
22°C / 16°C
Altimeter
29.99 inHg
Wx
-RA

Obs: 2026-04-15T02:52:00.000Z

Raw METAR / TAF 
METAR KIAD 150252Z 36011KT 10SM -RA FEW060 BKN075 OVC110 22/16 A2999 RMK AO2 PK WND 36026/0216 WSHFT 0214 RAB20 SLP153 P0001 60001 T02220156 53029 $

TAF KIAD 150307Z 1503/1606 36010KT 6SM -SHRA BKN070 OVC110 FM150400 25004KT P6SM FEW060 SCT200 FM151700 22010G18KT P6SM FEW060 SCT250 FM160000 22006KT P6SM SCT250

flight Live Traffic

flight_takeoff 172 Departures
flight_land 135 Arrivals

Recent history last 3

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-13 A2B810 - Apr 13, 19:50 UTCApr 13, 20:10 UTC20m - -
2026-04-13 A2B810 BOS → IAD Apr 13, 18:55 UTCApr 13, 20:10 UTC1h 15m - -
2026-04-12 A44211 BOS → IAD Apr 12, 18:55 UTCApr 12, 20:10 UTC1h 15m - -

Performance history

Flights tracked
3
Avg arrival delay
-
On-time arrival
-
Aircraft used
2

Monthly activity 1 month

Month Flights tracked
April 2026 3

UAL721 frequently asked

Where does flight UAL721 fly?
UAL721 (UAL) flies from BOS to IAD. View the full route page.
How long is flight UAL721?
Based on observed flights, UAL721 takes on average 57m from takeoff to landing.
How often does UAL721 fly?
UAL721 has been observed flying occasionally in our tracking data. We've recorded 3 flights under this callsign.
What aircraft operates flight UAL721?
UAL721 has been operated by 2 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL721 live?
Yes. When UAL721 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.