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 3h 57m. SkyMeter has observed 39 legs of this flight number via ADS-B.

FLIGHTS
39
last 90 days
AVG DURATION
3h 57m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
4 / 4
city pairs · airframes
INCIDENT RATE
20.5%
8 flagged

Routes flown

By count · last 90 days

2
21
avg 5h 5m · San Francisco → Ronald Reagan Washington National
14
avg 3h 4m · Ronald Reagan Washington National → George Bush Intercontinental Houston

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
8
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
06/01/2026
5h 13m
△ Unstable
06/01/2026
2h 28m
No alerts
05/31/2026
3h 2m
No alerts
05/31/2026
4h 55m
△ Unstable
05/29/2026
2h 15m
No alerts
05/28/2026
2h 51m
No alerts
05/28/2026
3h 45m
No alerts
05/26/2026
3h 13m
No alerts
05/25/2026
4h 45m
△ Unstable
05/25/2026
3h 2m
No alerts
05/23/2026
2h 31m
No alerts
05/22/2026
2h 53m
No alerts
05/21/2026
3h 20m
No alerts
05/18/2026
5h 5m
△ Unstable
05/17/2026
4h 48m
△ Unstable
05/15/2026
2h 39m
No alerts
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window