Flight Status & Tracker

UAL406

UNITED AIRLINES INC · SFO → LAS · Last tracked Oct 19, 2026

UAL406 is a flight number operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and McCarran International Airport (KLAS). SkyMeter last tracked UAL406 on October 19, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 2h 23m. SkyMeter has observed 160 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
160
last 90 days
⏱
AVG DURATION
2h 23m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/19/2026
first → last seen
🗺
ROUTES / TYPES
5 / 4
city pairs · airframes
⚠
INCIDENT RATE
1.2%
2 flagged

Routes flown

By count · last 90 days

3
KSFO → KLAS
70
avg 1h 35m · San Francisco → McCarran
KLAS → KEWR
51
avg 4h 40m · McCarran → Newark Liberty
KHAF → KLAS
9
avg 1h 32m · Half Moon Bay → McCarran

Aircraft types

Equipment used on this number

4
B38M BOEING Boeing 737 MAX 8
117
B39M BOEING Boeing 737 MAX 9
27
B739 BOEING Boeing 737-900
15
B738 BOEING Boeing 737-800
1

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable approach
1
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 UAL406

30
N57451BOEING Boeing 737 MAX 9
→
10/19/2026
1h 50m
No alerts
Replay Analysis
N17339BOEING Boeing 737 MAX 8
→
10/18/2026
4h 28m
No alerts
Replay Analysis
N28457BOEING Boeing 737-900
→
10/18/2026
5m
No alerts
Replay Analysis
N28457BOEING Boeing 737-900
→
10/18/2026
1h 19m
No alerts
Replay Analysis
N37507BOEING Boeing 737 MAX 9
→
10/17/2026
9m
No alerts
Replay Analysis
N37507BOEING Boeing 737 MAX 9
→
10/17/2026
1h 49m
No alerts
Replay Analysis
N47434BOEING Boeing 737 MAX 9
→
10/16/2026
2h 22m
No alerts
Replay Analysis
N27253BOEING Boeing 737 MAX 8
→
10/15/2026
4h 29m
No alerts
Replay Analysis
N68801BOEING Boeing 737-900
→
10/15/2026
1h 36m
No alerts
Replay Analysis
N27283BOEING Boeing 737 MAX 8
→
10/10/2026
4h 31m
No alerts
Replay Analysis
N17475BOEING Boeing 737 MAX 9
→
10/10/2026
1h 35m
No alerts
Replay Analysis
N27260BOEING Boeing 737 MAX 8
→
10/9/2026
4h 45m
No alerts
Replay Analysis
N17428BOEING Boeing 737 MAX 9
→
10/9/2026
7m
No alerts
Replay Analysis
N17428BOEING Boeing 737 MAX 9
→
10/9/2026
1h 32m
No alerts
Replay Analysis
N69816BOEING Boeing 737-900
→
10/8/2026
1h 23m
No alerts
Replay Analysis
N17272BOEING Boeing 737 MAX 8
→
10/7/2026
4h 29m
No alerts
Replay Analysis
N57466BOEING Boeing 737 MAX 9
→
10/7/2026
1h 39m
No alerts
Replay Analysis
N77582BOEING Boeing 737 MAX 9
→
10/6/2026
1h 48m
No alerts
Replay Analysis
N37318BOEING Boeing 737 MAX 8
→
10/5/2026
4h 42m
No alerts
Replay Analysis
N17467BOEING Boeing 737 MAX 9
→
10/5/2026
1h 44m
No alerts
Replay Analysis
N17355BOEING Boeing 737 MAX 8
→
10/4/2026
4h 24m
No alerts
Replay Analysis
N75426BOEING Boeing 737-900
→
10/4/2026
14m
No alerts
Replay Analysis
N75426BOEING Boeing 737-900
→
10/4/2026
1h 24m
No alerts
Replay Analysis
N37305BOEING Boeing 737 MAX 8
→
10/3/2026
4h 41m
No alerts
Replay Analysis
N57439BOEING Boeing 737-900
→
10/3/2026
7m
No alerts
Replay Analysis
N57439BOEING Boeing 737-900
→
10/3/2026
1h 29m
No alerts
Replay Analysis
N27276BOEING Boeing 737 MAX 8
→
10/2/2026
4h 48m
No alerts
Replay Analysis
N17413BOEING Boeing 737 MAX 9
→
10/2/2026
9m
No alerts
Replay Analysis
N17413BOEING Boeing 737 MAX 9
→
10/2/2026
1h 44m
No alerts
Replay Analysis
N27292BOEING Boeing 737 MAX 8
→
10/1/2026
4h 34m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window