ASH3999

UNITED AIRLINES INC · BDL IAD

ASH3999 is operated by UNITED AIRLINES INC between Bradley International Airport (KBDL) and Washington Dulles International Airport (KIAD). The flight is most often flown by a EMBRAER Embraer 175 long wing. Typical block time is 1h 10m. SkyMeter has observed 76 legs of this flight number via ADS-B.

FLIGHTS
76
last 90 days
AVG DURATION
1h 10m
tracked time
📅
SERVICE PERIOD
09/25/2025 → 08/22/2026
first → last seen
🗺
ROUTES / TYPES
9 / 1
city pairs · airframes
INCIDENT RATE
2.6%
2 flagged

Routes flown

By count · last 90 days

7
37
avg 1h 9m · Bradley → Washington Dulles
18
avg 1h 5m · Hamilton Standard Heliport → Washington Dulles
8
avg 1h 6m · Washington Dulles → La Guardia
4
avg 1h 46m · Nashville → George Bush Intercontinental Houston
1
avg 1h 21m · Washington Dulles → Charlotte Douglas
1
avg 55m · John Glenn Columbus → Washington Dulles
1
avg 3h 26m · Washington Dulles → Austin Bergstrom

Aircraft types

Equipment used on this number

1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 ASH3999

30
08/21/2026
56m
△ Low approach-stability score
08/12/2026
1h 42m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window