Flight Status & Tracker

UAL323

UNITED AIRLINES INC · BOS → SFO · Last tracked Oct 20, 2026

UAL323 is a flight number operated by UNITED AIRLINES INC between General Edward Lawrence Logan International Airport (KBOS) and San Francisco International Airport (KSFO). SkyMeter last tracked UAL323 on October 20, 2026. The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 3h 7m. SkyMeter has observed 98 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
98
last 90 days
⏱
AVG DURATION
3h 7m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 10/20/2026
first → last seen
🗺
ROUTES / TYPES
11 / 4
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KBOS → KSFO
29
avg 6h 7m · General Edward Lawrence Logan → San Francisco
KBUF → KORD
23
avg 1h 27m · Buffalo Niagara → Chicago O'Hare
KSNA → KDEN
16
avg 2h 11m · John Wayne Airport-Orange County → Denver
KDEN → 97MT
4
avg 1h 57m · Denver → Cabin Creek Landing
KDEN → KGPI
2
avg 1h 57m · Denver → Glacier Park

Aircraft types

Equipment used on this number

4
B738 BOEING Boeing 737-800
41
B39M BOEING Boeing 737 MAX 9
37
B38M BOEING Boeing 737 MAX 8
19
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 UAL323

30
N33286BOEING Boeing 737-800
→
10/20/2026
1h 43m
No alerts
Replay Analysis
N37255BOEING Boeing 737-800
→
10/19/2026
1h 45m
No alerts
Replay Analysis
N37255BOEING Boeing 737-800
→
10/18/2026
1h 44m
No alerts
Replay Analysis
N37351BOEING Boeing 737 MAX 8
→
10/17/2026
2h 9m
No alerts
Replay Analysis
N16234BOEING Boeing 737-800
→
10/16/2026
2h 1m
No alerts
Replay Analysis
N17355BOEING Boeing 737 MAX 8
→
10/16/2026
2h 11m
No alerts
Replay Analysis
N47345BOEING Boeing 737 MAX 8
→
10/15/2026
2h 0m
No alerts
Replay Analysis
N17317BOEING Boeing 737 MAX 8
→
10/14/2026
1h 50m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
10/10/2026
1h 50m
No alerts
Replay Analysis
N17363BOEING Boeing 737 MAX 8
→
10/10/2026
2h 11m
No alerts
Replay Analysis
N36272BOEING Boeing 737-800
→
10/9/2026
1h 44m
No alerts
Replay Analysis
N17315BOEING Boeing 737 MAX 8
→
10/9/2026
2h 1m
No alerts
Replay Analysis
N24224BOEING Boeing 737-800
→
10/8/2026
1h 42m
No alerts
Replay Analysis
N27256BOEING Boeing 737 MAX 8
→
10/8/2026
2h 14m
No alerts
Replay Analysis
N14235BOEING Boeing 737-800
→
10/7/2026
1h 57m
No alerts
Replay Analysis
N47357BOEING Boeing 737 MAX 8
→
10/7/2026
2h 10m
No alerts
Replay Analysis
N27586BOEING Boeing 737 MAX 9
→
10/6/2026
1h 44m
No alerts
Replay Analysis
N17362BOEING Boeing 737 MAX 8
→
10/6/2026
2h 11m
No alerts
Replay Analysis
N77537BOEING Boeing 737-800
→
10/5/2026
2h 9m
No alerts
Replay Analysis
N27269BOEING Boeing 737 MAX 8
→
10/5/2026
2h 6m
No alerts
Replay Analysis
N76515BOEING Boeing 737-800
→
10/4/2026
1h 54m
No alerts
Replay Analysis
N54241BOEING Boeing 737-800
→
10/3/2026
1h 57m
No alerts
Replay Analysis
N17314BOEING Boeing 737 MAX 8
→
10/3/2026
2h 22m
No alerts
Replay Analysis
N78285BOEING Boeing 737-800
→
10/2/2026
2h 15m
No alerts
Replay Analysis
N17358BOEING Boeing 737 MAX 8
→
10/2/2026
2h 10m
No alerts
Replay Analysis
N76515BOEING Boeing 737-800
→
10/1/2026
1h 45m
No alerts
Replay Analysis
N17339BOEING Boeing 737 MAX 8
→
10/1/2026
2h 19m
No alerts
Replay Analysis
N77544BOEING Boeing 737 MAX 9
→
9/30/2026
1h 58m
No alerts
Replay Analysis
N27290BOEING Boeing 737 MAX 8
→
9/30/2026
1h 23m
No alerts
Replay Analysis
N77530BOEING Boeing 737-800
→
9/29/2026
1h 46m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window