Flight Status & Tracker

UAL668

UNITED AIRLINES INC · SJU → IAH · Last tracked Sep 26, 2026

UAL668 is a flight number operated by UNITED AIRLINES INC between Luis Munoz Marin International Airport (TJSJ) and George Bush Intercontinental Houston Airport (KIAH). SkyMeter last tracked UAL668 on September 26, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 4h 8m. SkyMeter has observed 88 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
88
last 90 days
⏱
AVG DURATION
4h 8m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 9/26/2026
first → last seen
🗺
ROUTES / TYPES
4 / 2
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

2
TJSJ → KIAH
76
avg 4h 10m · Luis Munoz Marin → George Bush Intercontinental Houston
KEWR → KIAH
2
avg 9h 31m · Newark Liberty → George Bush Intercontinental Houston

Aircraft types

Equipment used on this number

2
B39M BOEING Boeing 737 MAX 9
93
B739 BOEING Boeing 737-900
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 UAL668

30
N27419BOEING Boeing 737 MAX 9
→
9/26/2026
4h 20m
No alerts
Replay Analysis
N37549BOEING Boeing 737 MAX 9
→
9/25/2026
4h 11m
No alerts
Replay Analysis
N27474BOEING Boeing 737 MAX 9
→
9/24/2026
4h 12m
No alerts
Replay Analysis
N57466BOEING Boeing 737 MAX 9
→
9/23/2026
4h 16m
No alerts
Replay Analysis
N27568BOEING Boeing 737 MAX 9
→
9/22/2026
4h 17m
No alerts
Replay Analysis
N17430BOEING Boeing 737 MAX 9
→
9/21/2026
4h 14m
No alerts
Replay Analysis
N77598BOEING Boeing 737 MAX 9
→
9/20/2026
4h 26m
No alerts
Replay Analysis
N37510BOEING Boeing 737 MAX 9
→
9/19/2026
4h 18m
No alerts
Replay Analysis
N37535BOEING Boeing 737 MAX 9
→
9/18/2026
4h 23m
No alerts
Replay Analysis
N17565BOEING Boeing 737 MAX 9
→
9/17/2026
4h 6m
No alerts
Replay Analysis
N57451BOEING Boeing 737 MAX 9
→
9/16/2026
2h 16m
No alerts
Replay Analysis
N77590BOEING Boeing 737 MAX 9
→
9/15/2026
4h 5m
No alerts
Replay Analysis
N37473BOEING Boeing 737 MAX 9
→
9/14/2026
4h 4m
No alerts
Replay Analysis
N27474BOEING Boeing 737 MAX 9
→
9/13/2026
4h 12m
No alerts
Replay Analysis
N17406BOEING Boeing 737 MAX 9
→
9/12/2026
4h 3m
No alerts
Replay Analysis
N47457BOEING Boeing 737 MAX 9
→
9/11/2026
4h 23m
No alerts
Replay Analysis
N17425BOEING Boeing 737 MAX 9
→
9/10/2026
3h 59m
No alerts
Replay Analysis
N37561BOEING Boeing 737 MAX 9
→
9/9/2026
4h 11m
No alerts
Replay Analysis
N37534BOEING Boeing 737 MAX 9
→
9/8/2026
4h 18m
No alerts
Replay Analysis
N37440BOEING Boeing 737 MAX 9
→
9/6/2026
4h 14m
No alerts
Replay Analysis
N37415BOEING Boeing 737 MAX 9
→
9/5/2026
2h 37m
No alerts
Replay Analysis
N53442BOEING Boeing 737-900
→
9/4/2026
3h 57m
No alerts
Replay Analysis
N27464BOEING Boeing 737 MAX 9
→
9/3/2026
4h 18m
No alerts
Replay Analysis
N37561BOEING Boeing 737 MAX 9
→
9/2/2026
4h 0m
No alerts
Replay Analysis
N47470BOEING Boeing 737 MAX 9
→
9/1/2026
4h 15m
No alerts
Replay Analysis
N37449BOEING Boeing 737 MAX 9
→
8/31/2026
4h 16m
No alerts
Replay Analysis
N37551BOEING Boeing 737 MAX 9
→
8/30/2026
4h 5m
No alerts
Replay Analysis
N17465BOEING Boeing 737 MAX 9
→
8/29/2026
4h 0m
No alerts
Replay Analysis
N17460BOEING Boeing 737 MAX 9
→
8/28/2026
4h 45m
No alerts
Replay Analysis
N17461BOEING Boeing 737 MAX 9
→
8/27/2026
4h 10m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window