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
13:55 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
312 ft
Coordinates
38.9445, -77.4558

cloud Weather

Wind
320° / 7 kt
Visibility
10 SM
Ceiling
SCT 3,300 ft, BKN 25,000 ft
Temp / Dew
29°C / 21°C
Altimeter
30.03 inHg

Obs: 2026-08-28T17:52:00.000Z

Raw METAR / TAF 
METAR KIAD 281752Z 32007KT 280V350 10SM SCT033TCU BKN250 29/21 A3003 RMK AO2 SLP166 TCU N-SE T02940206 10294 20217 58005

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

Arrival

BOS KBOS VFR

Boston Logan International Airport

Boston, US

Local time
13:55 EDT
Timezone
America/New_York
Type
Large Airport
Elevation
20 ft
Coordinates
42.3620, -71.0079

cloud Weather

Wind
230° / 9 kt
Visibility
10 SM
Ceiling
SCT 3,700 ft, BKN 9,000 ft, BKN 14,000 ft
Temp / Dew
28°C / 19°C
Altimeter
29.98 inHg

Obs: 2026-08-28T16:54:00.000Z

Raw METAR / TAF 
METAR KBOS 281654Z 23009KT 10SM SCT037 BKN090 BKN140 28/19 A2998 RMK AO2 SLP151 T02780189

TAF KBOS 281733Z 2818/2924 23008KT P6SM SCT035 FM281830 10005KT P6SM SCT035 PROB30 2819/2823 4SM TSRA OVC035CB FM282300 21004KT P6SM BKN100 FM290200 30005KT P6SM SCT250 FM290600 33008KT P6SM SCT200 FM291600 08004KT P6SM SKC

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.