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 16m. SkyMeter has observed 140 legs of this flight number via ADS-B.

✈
FLIGHTS
140
last 90 days
⏱
AVG DURATION
4h 16m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/21/2026
first → last seen
🗺
ROUTES / TYPES
9 / 5
city pairs · airframes
⚠
INCIDENT RATE
8.6%
12 flagged

Routes flown

By count · last 90 days

4
KSFO → KDCA
74
avg 5h 12m · San Francisco → Ronald Reagan Washington National
KDCA → KIAH
50
avg 2h 57m · Ronald Reagan Washington National → George Bush Intercontinental Houston
KHAF → KDCA
4
avg 5h 5m · Half Moon Bay → Ronald Reagan Washington National
US-0188 → KDCA
2
avg 5h 11m · Coast Guard Air Station San Francisco → Ronald Reagan Washington National

Aircraft types

Equipment used on this number

5
B38M BOEING Boeing 737 MAX 8
89
A319 AIRBUS Airbus A319
78
B737 BOEING Boeing 737-700
13
A320 AIRBUS Airbus A320
11
B37M BOEING Boeing 737 MAX 7
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
12
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
N27274BOEING Boeing 737 MAX 8
→
08/21/2026
2h 47m
No alerts
Replay Analysis
N37342BOEING Boeing 737 MAX 8
→
08/20/2026
5h 33m
△ Low approach-stability score
Replay Analysis
N47343BOEING Boeing 737 MAX 8
→
08/19/2026
2h 14m
No alerts
Replay Analysis
N47343BOEING Boeing 737 MAX 8
→
08/18/2026
37m
No alerts
Replay Analysis
N47343BOEING Boeing 737 MAX 8
→
08/18/2026
2h 51m
No alerts
Replay Analysis
N27267BOEING Boeing 737 MAX 8
→
08/18/2026
5h 4m
No alerts
Replay Analysis
N14731BOEING Boeing 737-700
→
08/18/2026
2h 32m
No alerts
Replay Analysis
N14731BOEING Boeing 737-700
→
08/17/2026
25m
No alerts
Replay Analysis
N14731BOEING Boeing 737-700
→
08/17/2026
2h 57m
No alerts
Replay Analysis
N27258BOEING Boeing 737 MAX 8
→
08/17/2026
5h 2m
No alerts
Replay Analysis
N898UAAIRBUS Airbus A319
→
08/17/2026
2h 51m
No alerts
Replay Analysis
N27258BOEING Boeing 737 MAX 8
→
08/16/2026
5h 27m
No alerts
Replay Analysis
N27255BOEING Boeing 737 MAX 8
→
08/15/2026
5h 13m
△ Low approach-stability score
Replay Analysis
N17730BOEING Boeing 737-700
→
08/15/2026
2h 21m
No alerts
Replay Analysis
N17730BOEING Boeing 737-700
→
08/14/2026
39m
No alerts
Replay Analysis
N17730BOEING Boeing 737-700
→
08/14/2026
3h 1m
No alerts
Replay Analysis
N17347BOEING Boeing 737 MAX 8
→
08/14/2026
5h 4m
No alerts
Replay Analysis
N24729BOEING Boeing 737-700
→
08/14/2026
2h 13m
No alerts
Replay Analysis
N24729BOEING Boeing 737-700
→
08/13/2026
32m
No alerts
Replay Analysis
N24729BOEING Boeing 737-700
→
08/13/2026
2h 45m
No alerts
Replay Analysis
N37371BOEING Boeing 737 MAX 8
→
08/13/2026
5h 26m
No alerts
Replay Analysis
N37324BOEING Boeing 737 MAX 8
→
08/12/2026
4h 59m
No alerts
Replay Analysis
N29717BOEING Boeing 737-700
→
08/11/2026
15m
No alerts
Replay Analysis
N17312BOEING Boeing 737 MAX 8
→
08/11/2026
5h 22m
No alerts
Replay Analysis
N459UAAIRBUS Airbus A320
→
08/11/2026
2h 45m
No alerts
Replay Analysis
N17265BOEING Boeing 737 MAX 8
→
08/10/2026
6h 11m
No alerts
Replay Analysis
N17312BOEING Boeing 737 MAX 8
→
08/09/2026
2h 49m
No alerts
Replay Analysis
N47345BOEING Boeing 737 MAX 8
→
08/08/2026
5h 0m
No alerts
Replay Analysis
N873UAAIRBUS Airbus A319
→
08/08/2026
2h 46m
No alerts
Replay Analysis
N47280BOEING Boeing 737 MAX 8
→
08/07/2026
5h 18m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window