UAL520 is operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and Orlando International Airport (KMCO). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 3h 6m. SkyMeter has observed 54 legs of this flight number via ADS-B.

✈
FLIGHTS
54
last 90 days
⏱
AVG DURATION
3h 6m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
6 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KSFO → KMCO
20
avg 5h 6m · San Francisco → Orlando
KSAN → KSFO
11
avg 1h 30m · San Diego → San Francisco
KSLC → KLAX
2
avg 1h 49m · Salt Lake City → Los Angeles

Aircraft types

Equipment used on this number

5
B39M BOEING Boeing 737 MAX 9
72
B738 BOEING Boeing 737-800
10
B739 BOEING Boeing 737-900
4
A320 AIRBUS Airbus A320
2
B38M BOEING Boeing 737 MAX 8
2

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 UAL520

30
N17410BOEING Boeing 737 MAX 9
→
06/03/2026
1h 52m
No alerts
Replay Analysis
N37290BOEING Boeing 737-800
→
06/03/2026
1h 20m
No alerts
Replay Analysis
N77544BOEING Boeing 737 MAX 9
→
06/03/2026
2h 7m
No alerts
Replay Analysis
N77544BOEING Boeing 737 MAX 9
→
06/02/2026
2h 56m
No alerts
Replay Analysis
N77544BOEING Boeing 737 MAX 9
→
06/02/2026
5h 4m
No alerts
Replay Analysis
N87507BOEING Boeing 737-800
→
06/02/2026
1h 47m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
06/02/2026
3h 53m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
06/01/2026
5h 1m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
06/01/2026
1h 8m
No alerts
Replay Analysis
N27287BOEING Boeing 737 MAX 8
→
06/01/2026
1h 45m
No alerts
Replay Analysis
N77296BOEING Boeing 737-800
→
05/31/2026
1h 35m
No alerts
Replay Analysis
N37528BOEING Boeing 737 MAX 9
→
05/31/2026
2h 37m
No alerts
Replay Analysis
N17411BOEING Boeing 737 MAX 9
→
05/29/2026
2h 52m
No alerts
Replay Analysis
N73291BOEING Boeing 737-800
→
05/29/2026
51m
No alerts
Replay Analysis
N76526BOEING Boeing 737-800
→
05/28/2026
1h 44m
No alerts
Replay Analysis
N17448BOEING Boeing 737 MAX 9
→
05/28/2026
2h 25m
No alerts
Replay Analysis
N24202BOEING Boeing 737-800
→
05/27/2026
1h 40m
No alerts
Replay Analysis
N17557BOEING Boeing 737 MAX 9
→
05/26/2026
2h 54m
No alerts
Replay Analysis
N87531BOEING Boeing 737-800
→
05/26/2026
1h 23m
No alerts
Replay Analysis
N77580BOEING Boeing 737 MAX 9
→
05/26/2026
2h 21m
No alerts
Replay Analysis
N77580BOEING Boeing 737 MAX 9
→
05/25/2026
5h 34m
No alerts
Replay Analysis
N77580BOEING Boeing 737 MAX 9
→
05/25/2026
3h 12m
No alerts
Replay Analysis
N37263BOEING Boeing 737-800
→
05/25/2026
1h 30m
No alerts
Replay Analysis
N73445BOEING Boeing 737-900
→
05/25/2026
3h 56m
No alerts
Replay Analysis
N73445BOEING Boeing 737-900
→
05/24/2026
1h 12m
No alerts
Replay Analysis
N73445BOEING Boeing 737-900
→
05/24/2026
5h 9m
No alerts
Replay Analysis
N26232BOEING Boeing 737-800
→
05/24/2026
1h 33m
No alerts
Replay Analysis
N37538BOEING Boeing 737 MAX 9
→
05/24/2026
2h 54m
No alerts
Replay Analysis
N37538BOEING Boeing 737 MAX 9
→
05/23/2026
5h 52m
No alerts
Replay Analysis
N37538BOEING Boeing 737 MAX 9
→
05/23/2026
2h 58m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window