UAL1678

UNITED AIRLINES INC · SFO DCA

UAL1678 is operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and Ronald Reagan Washington National Airport (KDCA). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 4h 14m. SkyMeter has observed 149 legs of this flight number via ADS-B.

FLIGHTS
149
last 90 days
AVG DURATION
4h 14m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/5/2026
first → last seen
🗺
ROUTES / TYPES
12 / 4
city pairs · airframes
INCIDENT RATE
6.7%
10 flagged

Routes flown

By count · last 90 days

6
75
avg 5h 14m · San Francisco → Ronald Reagan Washington National
57
avg 2h 56m · Ronald Reagan Washington National → George Bush Intercontinental Houston
4
avg 5h 8m · Half Moon Bay → Ronald Reagan Washington National
2
avg 4h 43m · Metropolitan Oakland → Ronald Reagan Washington National
1
avg 5h 55m · Half Moon Bay → Pittsburgh
avg 4h 58m · Coast Guard Air Station San Francisco → Ronald Reagan Washington National

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
10
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 UAL1678

30
8/29/2026
5h 9m
△ Low approach-stability score
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window