Flight Status & Tracker

UAL686

UNITED AIRLINES INC · SFO → IAH · Last tracked Oct 18, 2026

UAL686 is a flight number operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and George Bush Intercontinental Houston Airport (KIAH). SkyMeter last tracked UAL686 on October 18, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 3h 40m. SkyMeter has observed 82 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
82
last 90 days
⏱
AVG DURATION
3h 40m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/18/2026
first → last seen
🗺
ROUTES / TYPES
7 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KSFO → KIAH
71
avg 3h 40m · San Francisco → George Bush Intercontinental Houston
KHAF → KIAH
6
avg 3h 44m · Half Moon Bay → George Bush Intercontinental Houston
KOAK → KIAH
1
avg 3h 40m · Metropolitan Oakland → George Bush Intercontinental Houston
KSFO → KAUS
1
avg 3h 29m · San Francisco → Austin Bergstrom
KAUS → KIAH
1
avg 46m · Austin Bergstrom → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

3
B39M BOEING Boeing 737 MAX 9
58
B739 BOEING Boeing 737-900
23
B38M BOEING Boeing 737 MAX 8
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 UAL686

30
N17459BOEING Boeing 737 MAX 9
→
10/18/2026
3h 40m
No alerts
Replay Analysis
N17594BOEING Boeing 737-900
→
10/16/2026
3h 45m
No alerts
Replay Analysis
N27515BOEING Boeing 737 MAX 9
→
10/15/2026
3h 30m
No alerts
Replay Analysis
N37556BOEING Boeing 737 MAX 9
→
10/14/2026
3h 32m
No alerts
Replay Analysis
N69816BOEING Boeing 737-900
→
10/13/2026
3h 36m
No alerts
Replay Analysis
N27526BOEING Boeing 737 MAX 9
→
10/11/2026
3h 40m
No alerts
Replay Analysis
N17420BOEING Boeing 737 MAX 9
→
10/10/2026
3h 30m
No alerts
Replay Analysis
N37554BOEING Boeing 737 MAX 9
→
10/9/2026
3h 53m
No alerts
Replay Analysis
N17550BOEING Boeing 737 MAX 9
→
10/8/2026
3h 24m
No alerts
Replay Analysis
N17477BOEING Boeing 737 MAX 9
→
10/7/2026
3h 22m
No alerts
Replay Analysis
N67845BOEING Boeing 737-900
→
10/6/2026
3h 19m
No alerts
Replay Analysis
N17441BOEING Boeing 737 MAX 9
→
10/5/2026
3h 32m
No alerts
Replay Analysis
N47453BOEING Boeing 737 MAX 9
→
10/4/2026
3h 35m
No alerts
Replay Analysis
N37545BOEING Boeing 737 MAX 9
→
10/3/2026
3h 35m
No alerts
Replay Analysis
N77572BOEING Boeing 737 MAX 9
→
10/2/2026
3h 28m
No alerts
Replay Analysis
N17421BOEING Boeing 737 MAX 9
→
10/1/2026
3h 45m
No alerts
Replay Analysis
N77579BOEING Boeing 737 MAX 9
→
9/30/2026
3h 40m
No alerts
Replay Analysis
N47457BOEING Boeing 737 MAX 9
→
9/29/2026
3h 48m
No alerts
Replay Analysis
N17411BOEING Boeing 737 MAX 9
→
9/28/2026
3h 29m
No alerts
Replay Analysis
N17529BOEING Boeing 737 MAX 9
→
9/27/2026
3h 39m
No alerts
Replay Analysis
N37510BOEING Boeing 737 MAX 9
→
9/26/2026
3h 32m
No alerts
Replay Analysis
N68801BOEING Boeing 737-900
→
9/24/2026
3h 57m
No alerts
Replay Analysis
N77590BOEING Boeing 737 MAX 9
→
9/23/2026
3h 39m
No alerts
Replay Analysis
N47446BOEING Boeing 737 MAX 9
→
9/22/2026
3h 38m
No alerts
Replay Analysis
N77581BOEING Boeing 737 MAX 9
→
9/21/2026
3h 14m
No alerts
Replay Analysis
N17408BOEING Boeing 737 MAX 9
→
9/20/2026
3h 43m
No alerts
Replay Analysis
N47453BOEING Boeing 737 MAX 9
→
9/19/2026
3h 32m
No alerts
Replay Analysis
N87442BOEING Boeing 737 MAX 9
→
9/17/2026
3h 43m
No alerts
Replay Analysis
N37472BOEING Boeing 737 MAX 9
→
9/16/2026
3h 45m
No alerts
Replay Analysis
N37538BOEING Boeing 737 MAX 9
→
9/15/2026
3h 35m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window