Flight Status & Tracker

UAL2309

UNITED AIRLINES INC · DEN → SAN · Last tracked Nov 12, 2026

UAL2309 is a flight number operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and San Diego International Airport (KSAN). SkyMeter last tracked UAL2309 on November 12, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 1h 59m. SkyMeter has observed 143 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
143
last 90 days
⏱
AVG DURATION
1h 59m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 11/12/2026
first → last seen
🗺
ROUTES / TYPES
5 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.7%
1 flagged

Routes flown

By count · last 90 days

3
KDEN → KSAN
70
avg 2h 16m · Denver → San Diego
KSAN → KSFO
53
avg 1h 40m · San Diego → San Francisco
KNZY → KSFO
1
avg 1h 38m · North Island Naval Air Station-Halsey Field → San Francisco

Aircraft types

Equipment used on this number

5
B39M BOEING Boeing 737 MAX 9
69
B738 BOEING Boeing 737-800
50
B739 BOEING Boeing 737-900
16
B38M BOEING Boeing 737 MAX 8
5
A320 AIRBUS Airbus A320
2

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 UAL2309

30
N37413BOEING Boeing 737-900
→
11/12/2026
2h 12m
No alerts
Replay Analysis
N53442BOEING Boeing 737-900
→
11/11/2026
2h 5m
No alerts
Replay Analysis
N78438BOEING Boeing 737-900
→
11/8/2026
2h 9m
No alerts
Replay Analysis
N12238BOEING Boeing 737-800
→
11/7/2026
1h 34m
No alerts
Replay Analysis
N38454BOEING Boeing 737-900
→
11/7/2026
2h 0m
No alerts
Replay Analysis
N37483
→
11/6/2026
1h 31m
No alerts
Replay Analysis
N61881BOEING Boeing 737-900
→
11/6/2026
2h 10m
No alerts
Replay Analysis
N47505BOEING Boeing 737 MAX 9
→
11/5/2026
1h 45m
No alerts
Replay Analysis
N28457BOEING Boeing 737-900
→
11/5/2026
2h 27m
No alerts
Replay Analysis
N27421BOEING Boeing 737-900
→
11/4/2026
2h 18m
No alerts
Replay Analysis
N66803BOEING Boeing 737-900
→
11/3/2026
2h 18m
No alerts
Replay Analysis
N27586BOEING Boeing 737 MAX 9
→
10/30/2026
1h 53m
No alerts
Replay Analysis
N68822BOEING Boeing 737-900
→
10/30/2026
2h 24m
No alerts
Replay Analysis
N17425BOEING Boeing 737 MAX 9
→
10/29/2026
2h 30m
No alerts
Replay Analysis
N39423BOEING Boeing 737-900
→
10/28/2026
2h 24m
No alerts
Replay Analysis
N63899BOEING Boeing 737-900
→
10/27/2026
2h 19m
No alerts
Replay Analysis
N17477BOEING Boeing 737 MAX 9
→
10/25/2026
1h 36m
No alerts
Replay Analysis
N37413BOEING Boeing 737-900
→
10/25/2026
2h 6m
No alerts
Replay Analysis
N37274BOEING Boeing 737-800
→
10/24/2026
1h 39m
No alerts
Replay Analysis
N37541BOEING Boeing 737 MAX 9
→
10/24/2026
2h 14m
No alerts
Replay Analysis
N12218BOEING Boeing 737-800
→
10/23/2026
1h 56m
No alerts
Replay Analysis
N37554BOEING Boeing 737 MAX 9
→
10/23/2026
2h 23m
No alerts
Replay Analysis
N14250BOEING Boeing 737-800
→
10/22/2026
1h 52m
No alerts
Replay Analysis
N17454BOEING Boeing 737 MAX 9
→
10/22/2026
2h 19m
No alerts
Replay Analysis
N37530BOEING Boeing 737 MAX 9
→
10/20/2026
2h 15m
No alerts
Replay Analysis
N37504BOEING Boeing 737 MAX 9
→
10/19/2026
2h 17m
No alerts
Replay Analysis
N479UAAIRBUS Airbus A320
→
10/18/2026
1h 32m
No alerts
Replay Analysis
N76523BOEING Boeing 737-800
→
10/18/2026
2h 20m
No alerts
Replay Analysis
N14214BOEING Boeing 737-800
→
10/17/2026
2h 8m
No alerts
Replay Analysis
N17593BOEING Boeing 737 MAX 9
→
10/17/2026
2h 24m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window