Apparatus

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flight_takeoff Flight

UAL641

Operated by United Airlines

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
20:48 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
300° / 4 kt
Visibility
10 SM
Ceiling
FEW 10,000 ft, SCT 20,000 ft
Temp / Dew
20°C / 14°C
Altimeter
29.94 inHg

Obs: 2026-10-12T23:52:00.000Z

Raw METAR / TAF 
METAR KIAD 122352Z 30004KT 10SM FEW100 SCT200 20/14 A2994 RMK AO2 SLP136 T02000144 10244 20200 53008 $

TAF KIAD 122333Z 1300/1406 29005KT P6SM FEW100 SCT200 FM130900 00000KT 5SM BR FEW200 FM131300 19006KT P6SM SCT250

flight Live Traffic

flight_takeoff 147 Departures
flight_land 126 Arrivals

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
20:48 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
310° / 8 kt
Visibility
10 SM
Ceiling
SCT 25,000 ft
Temp / Dew
19°C / 13°C
Altimeter
29.79 inHg

Obs: 2026-10-12T23:54:00.000Z

Raw METAR / TAF 
METAR KBOS 122354Z 31008KT 10SM SCT250 19/13 A2979 RMK AO2 SLP087 T01940133 10217 20194 53030

TAF KBOS 122333Z 1300/1406 31007KT P6SM FEW030 BKN200 FM130300 35007KT P6SM BKN035 FM130500 05010KT 6SM BR OVC020 FM130600 06012G18KT 6SM BR VCSH OVC008 PROB30 1308/1311 4SM -SHRA BR OVC006 FM131100 07012KT 5SM BR VCSH OVC008 FM131700 12009KT 5SM BR VCSH FEW004 OVC008 PROB30 1319/1401 4SM -SHRA OVC006

flight Live Traffic

flight_takeoff 195 Departures
flight_land 210 Arrivals

Recent history last 30

DateAircraftRouteTakeoffLandingDurationDep ΔArr Δ
2026-07-26 A12F07 IAD → BOS Jul 26, 12:45 UTCJul 26, 13:45 UTC1h 0m - -
2026-07-26 A2C338 IAD → BOS Jul 26, 09:40 UTCJul 26, 11:10 UTC1h 30m - -
2026-07-25 A12AEB IAD → BOS Jul 25, 12:55 UTCJul 25, 13:55 UTC1h 0m - -
2026-07-25 A10E46 IAD → BOS Jul 25, 09:45 UTCJul 25, 11:10 UTC1h 25m - -
2026-07-24 A12B31 IAD → BOS Jul 24, 12:53 UTCJul 24, 14:15 UTC1h 22m +18m -27m
2026-07-24 A12B31 IAD → BOS Jul 24, 13:10 UTCJul 24, 14:15 UTC1h 5m - -
2026-07-24 A12735 IAD → BOS Jul 24, 09:45 UTCJul 24, 11:05 UTC1h 20m - -
2026-07-23 A448F2 IAD → BOS Jul 23, 14:10 UTCJul 23, 15:10 UTC1h 0m - -
2026-07-23 A24C77 IAD → BOS Jul 23, 09:50 UTCJul 23, 11:05 UTC1h 15m - -
2026-07-23 A24C77 IAD → BOS Jul 23, 09:44 UTCJul 23, 11:03 UTC1h 19m +14m -14m
2026-07-22 A5D668 IAD → BOS Jul 22, 13:00 UTCJul 22, 14:05 UTC1h 5m - -
2026-07-21 A91536 IAD → BOS Jul 21, 12:55 UTCJul 21, 14:05 UTC1h 10m - -
2026-07-21 A12799 IAD → BOS Jul 21, 09:45 UTCJul 21, 11:10 UTC1h 25m - -
2026-07-20 A12EE7 IAD → BOS Jul 20, 12:55 UTCJul 20, 14:05 UTC1h 10m - -
2026-07-20 A24C77 IAD → BOS Jul 20, 09:45 UTCJul 20, 11:05 UTC1h 20m - -
2026-07-19 AA7F25 IAD → BOS Jul 19, 13:10 UTCJul 19, 14:10 UTC1h 0m - -
2026-07-19 A0BF26 IAD → BOS Jul 19, 09:45 UTCJul 19, 11:10 UTC1h 25m - -
2026-07-19 A0BF26 IAD → BOS Jul 19, 09:44 UTCJul 19, 11:08 UTC1h 24m +14m -8m
2026-07-18 A12F6F IAD → BOS Jul 18, 14:15 UTCJul 18, 15:30 UTC1h 15m - -
2026-07-18 A24CC0 ATL → IAD Jul 18, 09:45 UTCJul 18, 11:15 UTC1h 30m - -
2026-07-17 AA7F2A IAD → BOS Jul 17, 13:05 UTCJul 17, 14:04 UTC1h 0m - -
2026-07-17 A10E21 ATL → IAD Jul 17, 09:45 UTCJul 17, 11:00 UTC1h 15m - -
2026-07-16 A12B2F IAD → BOS Jul 16, 12:49 UTCJul 16, 14:00 UTC1h 10m - -
2026-07-16 A1240A ATL → IAD Jul 16, 09:50 UTCJul 16, 11:15 UTC1h 25m - -
2026-07-15 A923A9 IAD → BOS Jul 15, 12:50 UTCJul 15, 13:55 UTC1h 5m - -
2026-07-15 A2B136 ATL → IAD Jul 15, 09:55 UTCJul 15, 11:25 UTC1h 30m - -
2026-07-14 A9238A IAD → BOS Jul 14, 12:53 UTCJul 14, 14:16 UTC1h 23m +18m -1m
2026-07-14 A9238A IAD → BOS Jul 14, 13:00 UTCJul 14, 14:15 UTC1h 15m - -
2026-07-14 A097E9 ATL → IAD Jul 14, 09:45 UTCJul 14, 11:05 UTC1h 20m - -
2026-07-13 A5D623 IAD → BOS Jul 13, 13:05 UTCJul 13, 14:15 UTC1h 10m - -

Performance history

Flights tracked
219 showing last 30
Avg arrival delay
-12m
On-time arrival
100% 100% on time
Aircraft used
25

Monthly activity 4 months

Month Flights tracked
July 2026 57
June 2026 65
May 2026 64
April 2026 33

UAL641 frequently asked

Where does flight UAL641 fly?
UAL641 (United Airlines) flies from IAD to BOS. View the full route page.
How long is flight UAL641?
Based on observed flights, UAL641 takes on average 1h 15m from takeoff to landing.
How often does UAL641 fly?
UAL641 has been observed flying several times a week in our tracking data. We've recorded 219 flights under this callsign.
Is flight UAL641 usually on time?
Across recent flights, UAL641 arrives 12 minutes early on average. 100% of flights arrive within 15 minutes of schedule.
What aircraft operates flight UAL641?
UAL641 has been operated by 25 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.