UAL646 is operated by UNITED AIRLINES INC between Orlando International Airport (KMCO) and Washington Dulles International Airport (KIAD). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 1h 59m. SkyMeter has observed 36 legs of this flight number via ADS-B.

FLIGHTS
36
last 90 days
AVG DURATION
1h 59m
tracked time
📅
SERVICE PERIOD
04/07/2026 → 06/01/2026
first → last seen
🗺
ROUTES / TYPES
4 / 2
city pairs · airframes
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

2
29
avg 1h 50m · Orlando → Washington Dulles
1
avg 3h 47m · Gateway Helistop → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

2

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 UAL646

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