Apparatus

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flight_takeoff Flight

UAL641

Operated by UAL

Live map

Live map filtered to UAL641. Shown when the flight is currently airborne.

Route airports View route page →

Departure

IAD KIAD VFR

Washington Dulles International Airport

Dulles, US

Local time
00:31 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
20° / 4 kt
Visibility
10 SM
Ceiling
BKN 11,000 ft
Temp / Dew
22°C / 16°C
Altimeter
29.98 inHg

Obs: 2026-04-15T03:52:00.000Z

Raw METAR / TAF 
METAR KIAD 150352Z 02004KT 10SM BKN110 22/16 A2998 RMK AO2 RAE16 SLP149 P0000 T02170156 $

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 165 Departures
flight_land 137 Arrivals

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
00:31 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
120° / 4 kt
Visibility
7 SM
Ceiling
FEW 4,000 ft, BKN 8,000 ft
Temp / Dew
14°C / 14°C
Altimeter
29.83 inHg

Obs: 2026-04-15T03:54:00.000Z

Raw METAR / TAF 
METAR KBOS 150354Z 12004KT 7SM FEW040 BKN080 14/14 A2983 RMK AO2 SLP099 T01440139

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 220 Departures
flight_land 311 Arrivals

Recent history last 2

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-04-13 A12B0E IAD → BOS Apr 13, 12:40 UTCApr 13, 13:59 UTC1h 19m +18m +5m
2026-04-13 A1D63D IAD → BOS Apr 13, 09:59 UTCApr 13, 11:27 UTC1h 28m +14m +5m

Performance history

Flights tracked
2
Avg arrival delay
+5m
On-time arrival
100% 100% on time
Aircraft used
2

Monthly activity 1 month

Month Flights tracked
April 2026 2

UAL641 frequently asked

Where does flight UAL641 fly?
UAL641 (UAL) flies from IAD to BOS. View the full route page.
How long is flight UAL641?
Based on observed flights, UAL641 takes on average 1h 24m from takeoff to landing.
How often does UAL641 fly?
UAL641 has been observed flying rarely in our tracking data. We've recorded 2 flights under this callsign.
Is flight UAL641 usually on time?
Across recent flights, UAL641 arrives with an average 5-minute delay. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL641?
UAL641 has been operated by 2 different aircraft in our records. Tail numbers are listed in the recent history below.
Can I track UAL641 live?
Yes. When UAL641 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.