UAL1684

UNITED AIRLINES INC · SFO → LIH

UAL1684 is operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and Lihue Airport (PHLI). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 4h 55m. SkyMeter has observed 83 legs of this flight number via ADS-B.

✈
FLIGHTS
83
last 90 days
⏱
AVG DURATION
4h 55m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/14/2026
first → last seen
🗺
ROUTES / TYPES
7 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

4
KSFO → PHLI
23
avg 5h 18m · San Francisco → Lihue
KIAH → KBOS
4
avg 3h 36m · George Bush Intercontinental Houston → General Edward Lawrence Logan
KHAF → PHLI
3
avg 5h 24m · Half Moon Bay → Lihue
US-0188 → PHLI
1
avg 5h 30m · Coast Guard Air Station San Francisco → Lihue

Aircraft types

Equipment used on this number

4
B38M BOEING Boeing 737 MAX 8
77
B738 BOEING Boeing 737-800
9
B39M BOEING Boeing 737 MAX 9
4
B37M BOEING Boeing 737 MAX 7
1

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 UAL1684

30
N27255BOEING Boeing 737 MAX 8
→
8/14/2026
5h 37m
No alerts
Replay Analysis
N17336BOEING Boeing 737 MAX 8
→
8/11/2026
5h 26m
No alerts
Replay Analysis
N47298BOEING Boeing 737 MAX 8
→
8/10/2026
5h 11m
No alerts
Replay Analysis
N37308BOEING Boeing 737 MAX 8
→
8/9/2026
5h 27m
No alerts
Replay Analysis
N17355BOEING Boeing 737 MAX 8
→
8/8/2026
5h 19m
No alerts
Replay Analysis
N47360BOEING Boeing 737 MAX 8
→
8/7/2026
5h 19m
No alerts
Replay Analysis
N17254BOEING Boeing 737 MAX 8
→
8/6/2026
5h 10m
No alerts
Replay Analysis
N27263BOEING Boeing 737 MAX 8
→
8/5/2026
5h 22m
No alerts
Replay Analysis
N37354BOEING Boeing 737 MAX 8
→
8/4/2026
5h 25m
No alerts
Replay Analysis
N17347BOEING Boeing 737 MAX 8
→
8/3/2026
5h 8m
No alerts
Replay Analysis
N27283BOEING Boeing 737 MAX 8
→
8/2/2026
25m
No alerts
Replay Analysis
N17320BOEING Boeing 737 MAX 8
→
8/1/2026
5h 6m
No alerts
Replay Analysis
N27270BOEING Boeing 737 MAX 8
→
7/31/2026
5h 18m
No alerts
Replay Analysis
N27255BOEING Boeing 737 MAX 8
→
7/30/2026
5h 27m
No alerts
Replay Analysis
N27270BOEING Boeing 737 MAX 8
→
7/29/2026
5h 33m
No alerts
Replay Analysis
N17364BOEING Boeing 737 MAX 8
→
7/28/2026
5h 35m
No alerts
Replay Analysis
N37325BOEING Boeing 737 MAX 8
→
7/27/2026
5h 43m
No alerts
Replay Analysis
N37278BOEING Boeing 737 MAX 8
→
7/26/2026
5h 18m
No alerts
Replay Analysis
N37297BOEING Boeing 737 MAX 8
→
7/25/2026
5h 30m
No alerts
Replay Analysis
N17264BOEING Boeing 737 MAX 8
→
7/24/2026
5h 36m
No alerts
Replay Analysis
N77259BOEING Boeing 737 MAX 8
→
7/23/2026
24m
No alerts
Replay Analysis
N17285BOEING Boeing 737 MAX 8
→
7/22/2026
5h 35m
No alerts
Replay Analysis
N27270BOEING Boeing 737 MAX 8
→
7/21/2026
5h 27m
No alerts
Replay Analysis
N27292BOEING Boeing 737 MAX 8
→
7/20/2026
5h 23m
No alerts
Replay Analysis
N37348BOEING Boeing 737 MAX 8
→
7/19/2026
5h 16m
No alerts
Replay Analysis
N17346BOEING Boeing 737 MAX 8
→
7/18/2026
5h 27m
No alerts
Replay Analysis
N47340BOEING Boeing 737 MAX 8
→
7/17/2026
5h 33m
No alerts
Replay Analysis
N37365BOEING Boeing 737 MAX 8
→
7/16/2026
5h 17m
No alerts
Replay Analysis
N27292BOEING Boeing 737 MAX 8
→
7/15/2026
5h 37m
No alerts
Replay Analysis
N37324BOEING Boeing 737 MAX 8
→
7/13/2026
5h 36m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window