ASH3990

UNITED AIRLINES INC · IAH SDF

ASH3990 is operated by UNITED AIRLINES INC between George Bush Intercontinental Houston Airport (KIAH) and Louisville Muhammad Ali International Airport (KSDF). The flight is most often flown by a EMBRAER Embraer 175 long wing. Typical block time is 1h 50m. SkyMeter has observed 44 legs of this flight number via ADS-B.

FLIGHTS
44
last 90 days
AVG DURATION
1h 50m
tracked time
📅
SERVICE PERIOD
04/06/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
3 / 1
city pairs · airframes
INCIDENT RATE
4.5%
2 flagged

Routes flown

By count · last 90 days

3
42
avg 1h 48m · George Bush Intercontinental Houston → Louisville Muhammad Ali
1
avg 3h 23m · Austin Bergstrom → Washington Dulles
1
avg 1h 32m · Jacksonville → Washington Dulles

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 ASH3990

30
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window