Flight Status & Tracker

UAL540T

UNITED AIRLINES INC · DEN → SAN · Last tracked Oct 3, 2026

UAL540T is a flight number operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and San Diego International Airport (KSAN). SkyMeter last tracked UAL540T on October 3, 2026. The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 2h 36m. SkyMeter has observed 6 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
6
last 90 days
⏱
AVG DURATION
2h 36m
tracked time
📅
SERVICE PERIOD
12/1/2025 → 10/3/2026
first → last seen
🗺
ROUTES / TYPES
3 / 2
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KDEN → KSAN
4
avg 2h 17m · Denver → San Diego
KSAN → KORD
1
avg 3h 53m · San Diego → Chicago O'Hare
KSFO → KDEN
1
avg 2h 34m · San Francisco → Denver

Aircraft types

Equipment used on this number

2
A21N AIRBUS Airbus A321 Neo
4
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 7 operations of UAL540T

7
N37434BOEING Boeing 737-900
→
10/3/2026
3h 53m
No alerts
Replay Analysis
N24573
→
10/2/2026
2h 34m
No alerts
Replay Analysis
N14536AIRBUS Airbus A321 Neo
→
8/25/2026
2h 15m
No alerts
Replay Analysis
N14515AIRBUS Airbus A321 Neo
→
8/24/2026
2h 13m
No alerts
Replay Analysis
N14536AIRBUS Airbus A321 Neo
→
8/15/2026
2h 15m
No alerts
Replay Analysis
N14531AIRBUS Airbus A321 Neo
→
8/11/2026
2h 24m
No alerts
Replay Analysis
N14531AIRBUS Airbus A321 Neo
→
12/1/2025
2h 14m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window