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 136 legs of this flight number via ADS-B.

✈
FLIGHTS
136
last 90 days
⏱
AVG DURATION
4h 16m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
8 / 7
city pairs · airframes
⚠
INCIDENT RATE
8.8%
12 flagged

Routes flown

By count · last 90 days

4
KSFO → KDCA
65
avg 5h 7m · San Francisco → Ronald Reagan Washington National
KDCA → KIAH
50
avg 3h 3m · Ronald Reagan Washington National → George Bush Intercontinental Houston
KHAF → KDCA
7
avg 5h 8m · Half Moon Bay → Ronald Reagan Washington National
US-0188 → KDCA
3
avg 5h 16m · Coast Guard Air Station San Francisco → Ronald Reagan Washington National

Aircraft types

Equipment used on this number

7
B38M BOEING Boeing 737 MAX 8
83
A319 AIRBUS Airbus A319
54
A320 AIRBUS Airbus A320
19
B737 BOEING Boeing 737-700
3
A21N AIRBUS Airbus A321 Neo
1
B738 BOEING Boeing 737-800
1
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
N27266BOEING Boeing 737 MAX 8
→
07/19/2026
4h 56m
No alerts
Replay Analysis
N17364BOEING Boeing 737 MAX 8
→
07/18/2026
5h 59m
No alerts
Replay Analysis
N819UAAIRBUS Airbus A319
→
07/18/2026
3h 1m
No alerts
Replay Analysis
N17358BOEING Boeing 737 MAX 8
→
07/17/2026
5h 47m
No alerts
Replay Analysis
N803UAAIRBUS Airbus A319
→
07/17/2026
2h 14m
No alerts
Replay Analysis
N803UAAIRBUS Airbus A319
→
07/16/2026
31m
No alerts
Replay Analysis
N803UAAIRBUS Airbus A319
→
07/16/2026
2h 46m
No alerts
Replay Analysis
N17289BOEING Boeing 737 MAX 8
→
07/16/2026
5h 15m
No alerts
Replay Analysis
N836UAAIRBUS Airbus A319
→
07/16/2026
2h 44m
No alerts
Replay Analysis
N836UAAIRBUS Airbus A319
→
07/15/2026
12m
No alerts
Replay Analysis
N27253BOEING Boeing 737 MAX 8
→
07/15/2026
5h 9m
No alerts
Replay Analysis
N836UAAIRBUS Airbus A319
→
07/15/2026
3h 0m
No alerts
Replay Analysis
N47345BOEING Boeing 737 MAX 8
→
07/14/2026
5h 40m
No alerts
Replay Analysis
N836UAAIRBUS Airbus A319
→
07/14/2026
2h 40m
No alerts
Replay Analysis
N836UAAIRBUS Airbus A319
→
07/13/2026
10m
No alerts
Replay Analysis
N37352BOEING Boeing 737 MAX 8
→
07/13/2026
5h 28m
No alerts
Replay Analysis
N829UAAIRBUS Airbus A319
→
07/13/2026
2h 40m
No alerts
Replay Analysis
N829UAAIRBUS Airbus A319
→
07/12/2026
41m
No alerts
Replay Analysis
N829UAAIRBUS Airbus A319
→
07/12/2026
3h 22m
No alerts
Replay Analysis
N47360BOEING Boeing 737 MAX 8
→
07/12/2026
5h 37m
No alerts
Replay Analysis
N37297BOEING Boeing 737 MAX 8
→
07/11/2026
5h 13m
No alerts
Replay Analysis
N801UAAIRBUS Airbus A319
→
07/11/2026
2h 49m
No alerts
Replay Analysis
N27277BOEING Boeing 737 MAX 8
→
07/10/2026
5h 3m
No alerts
Replay Analysis
N872UAAIRBUS Airbus A319
→
07/10/2026
2h 49m
No alerts
Replay Analysis
N27277BOEING Boeing 737 MAX 8
→
07/09/2026
5h 29m
No alerts
Replay Analysis
N852UAAIRBUS Airbus A319
→
07/09/2026
2h 12m
No alerts
Replay Analysis
N852UAAIRBUS Airbus A319
→
07/08/2026
2h 48m
No alerts
Replay Analysis
N852UAAIRBUS Airbus A319
→
07/08/2026
35m
No alerts
Replay Analysis
N17347BOEING Boeing 737 MAX 8
→
07/08/2026
5h 3m
△ Low approach-stability score
Replay Analysis
N4888UAIRBUS Airbus A319
→
07/08/2026
3h 13m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window