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
16:52 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
350° / 8G14 kt
Visibility
10 SM
Ceiling
SCT 4,200 ft, SCT 10,000 ft, BKN 25,000 ft
Temp / Dew
31°C / 19°C
Altimeter
30.01 inHg

Obs: 2026-08-28T19:52:00.000Z

Raw METAR / TAF 
METAR KIAD 281952Z 35008G14KT 10SM SCT042TCU SCT100 BKN250 31/19 A3001 RMK AO2 SLP158 TCU NE-SE T03060194 $

TAF KIAD 281742Z 2818/2924 36008KT P6SM FEW025 SCT110 BKN250 FM281900 35007KT P6SM SCT025 SCT100 FM290600 35005KT P6SM SCT070

flight Live Traffic

flight_takeoff 80 Departures
flight_land 152 Arrivals

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
16:52 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
110° / 11 kt
Visibility
10 SM
Ceiling
SCT 4,400 ft, BKN 6,000 ft
Temp / Dew
25°C / 21°C
Altimeter
29.95 inHg

Obs: 2026-08-28T19:54:00.000Z

Raw METAR / TAF 
METAR KBOS 281954Z 11011KT 10SM SCT044 BKN060 25/21 A2995 RMK AO2 CIG 046 E SLP142 T02500206 $

TAF KBOS 282028Z 2820/2924 10010KT P6SM SCT045 PROB30 2820/2823 4SM TSRA OVC035CB FM282300 21004KT P6SM BKN100 FM290200 30005KT P6SM SCT250 FM290600 33008KT P6SM SCT200 FM291600 08004KT P6SM SKC

flight Live Traffic

flight_takeoff 166 Departures
flight_land 174 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.