UAL641 is operated by UNITED AIRLINES INC between Washington Dulles International Airport (KIAD) and General Edward Lawrence Logan International Airport (KBOS). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 1h 31m. SkyMeter has observed 45 legs of this flight number via ADS-B.

✈
FLIGHTS
45
last 90 days
⏱
AVG DURATION
1h 31m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
4 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

2
KIAD → KBOS
23
avg 1h 28m · Washington Dulles → General Edward Lawrence Logan
KATL → KIAD
19
avg 1h 34m · Hartsfield Jackson Atlanta → Washington Dulles

Aircraft types

Equipment used on this number

6
B39M BOEING Boeing 737 MAX 9
22
B737 BOEING Boeing 737-700
13
A319 AIRBUS Airbus A319
6
B739 BOEING Boeing 737-900
2
B38M BOEING Boeing 737 MAX 8
1
B738 BOEING Boeing 737-800
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
0
Rejected TO
0
Stall warnings
0
Overspeeds
0
Runway excursion
0
Counts represent flights with at least one occurrence of each flag, not the total event count. See /incidents for individual events.

Recent flights

Newest 30 operations of UAL641

30
N37577BOEING Boeing 737 MAX 9
→
06/03/2026
1h 29m
No alerts
Replay Analysis
N12225BOEING Boeing 737-800
→
06/03/2026
1h 51m
No alerts
Replay Analysis
N77592BOEING Boeing 737 MAX 9
→
06/02/2026
1h 35m
No alerts
Replay Analysis
N16709BOEING Boeing 737-700
→
06/02/2026
1h 35m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
06/01/2026
1h 39m
No alerts
Replay Analysis
N24715BOEING Boeing 737-700
→
06/01/2026
1h 30m
No alerts
Replay Analysis
N17422BOEING Boeing 737 MAX 9
→
05/31/2026
1h 59m
No alerts
Replay Analysis
N23707BOEING Boeing 737-700
→
05/31/2026
1h 31m
No alerts
Replay Analysis
N37513BOEING Boeing 737 MAX 9
→
05/29/2026
1h 30m
No alerts
Replay Analysis
N15710BOEING Boeing 737-700
→
05/29/2026
1h 36m
No alerts
Replay Analysis
N47569BOEING Boeing 737 MAX 9
→
05/28/2026
1h 24m
No alerts
Replay Analysis
N29717BOEING Boeing 737-700
→
05/28/2026
1h 37m
No alerts
Replay Analysis
N77552BOEING Boeing 737 MAX 9
→
05/26/2026
1h 20m
No alerts
Replay Analysis
N39728BOEING Boeing 737-700
→
05/26/2026
1h 30m
No alerts
Replay Analysis
N37548BOEING Boeing 737 MAX 9
→
05/25/2026
1h 27m
No alerts
Replay Analysis
N27722BOEING Boeing 737-700
→
05/25/2026
1h 34m
No alerts
Replay Analysis
N17428BOEING Boeing 737 MAX 9
→
05/24/2026
1h 16m
No alerts
Replay Analysis
N27722BOEING Boeing 737-700
→
05/24/2026
1h 29m
No alerts
Replay Analysis
N37530BOEING Boeing 737 MAX 9
→
05/23/2026
1h 26m
No alerts
Replay Analysis
N61881BOEING Boeing 737-900
→
05/23/2026
1h 30m
No alerts
Replay Analysis
N37554BOEING Boeing 737 MAX 9
→
05/21/2026
1h 16m
No alerts
Replay Analysis
N875UAAIRBUS Airbus A319
→
05/21/2026
1h 34m
No alerts
Replay Analysis
N17597BOEING Boeing 737 MAX 9
→
05/18/2026
1h 29m
No alerts
Replay Analysis
N883UAAIRBUS Airbus A319
→
05/18/2026
1h 41m
No alerts
Replay Analysis
N27267BOEING Boeing 737 MAX 8
→
05/17/2026
1h 19m
No alerts
Replay Analysis
N33714BOEING Boeing 737-700
→
05/17/2026
1h 40m
No alerts
Replay Analysis
N831UAAIRBUS Airbus A319
→
05/16/2026
1h 39m
No alerts
Replay Analysis
N47570BOEING Boeing 737 MAX 9
→
05/15/2026
1h 51m
No alerts
Replay Analysis
N891UAAIRBUS Airbus A319
→
05/15/2026
1h 40m
No alerts
Replay Analysis
N77543BOEING Boeing 737 MAX 9
→
05/14/2026
1h 28m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window