UAL519 is operated by UNITED AIRLINES INC between San Diego International Airport (KSAN) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 10m. SkyMeter has observed 111 legs of this flight number via ADS-B.

✈
FLIGHTS
111
last 90 days
⏱
AVG DURATION
2h 10m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/21/2026
first → last seen
🗺
ROUTES / TYPES
13 / 7
city pairs · airframes
⚠
INCIDENT RATE
1.8%
2 flagged

Routes flown

By count · last 90 days

10
KSAN → KDEN
52
avg 2h 16m · San Diego → Denver
KIAH → KMSY
6
avg 52m · George Bush Intercontinental Houston → Louis Armstrong New Orleans
US-2553 → KDEN
5
avg 2h 19m · Speer → Denver
KDEN → KFLL
5
avg 3h 41m · Denver → Fort Lauderdale Hollywood
KORD → KDCA
4
avg 1h 40m · Chicago O'Hare → Ronald Reagan Washington National
KDEN → KMCO
3
avg 3h 16m · Denver → Orlando
KSFO → KBNA
3
avg 4h 0m · San Francisco → Nashville
KIAD → KCLT
2
avg 1h 16m · Washington Dulles → Charlotte Douglas
KNZY → KDEN
1
avg 2h 29m · North Island Naval Air Station-Halsey Field → Denver
KSAN → KBKF
1
avg 1h 54m · San Diego → Buckley Air Force Base

Aircraft types

Equipment used on this number

7
B39M BOEING Boeing 737 MAX 9
50
B739 BOEING Boeing 737-900
36
B738 BOEING Boeing 737-800
12
B737 BOEING Boeing 737-700
6
A319 AIRBUS Airbus A319
3
A320 AIRBUS Airbus A320
2
B38M BOEING Boeing 737 MAX 8
2

Safety profile

Flagged flights · last 90 days

Go-arounds
2
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 UAL519

30
N64844BOEING Boeing 737-900
→
08/21/2026
2h 39m
No alerts
Replay Analysis
N36476BOEING Boeing 737-900
→
08/17/2026
44m
No alerts
Replay Analysis
N36476BOEING Boeing 737-900
→
08/17/2026
44m
No alerts
Replay Analysis
N36476BOEING Boeing 737-900
→
08/17/2026
44m
No alerts
Replay Analysis
N36476BOEING Boeing 737-900
→
08/17/2026
44m
No alerts
Replay Analysis
N36476BOEING Boeing 737-900
→
08/17/2026
44m
No alerts
Replay Analysis
N36476BOEING Boeing 737-900
→
08/17/2026
44m
No alerts
Replay Analysis
N36476BOEING Boeing 737-900
→
08/17/2026
2h 25m
No alerts
Replay Analysis
N4888UAIRBUS Airbus A319
→
08/16/2026
1h 10m
No alerts
Replay Analysis
N17427BOEING Boeing 737 MAX 9
→
08/15/2026
2h 14m
No alerts
Replay Analysis
N77431BOEING Boeing 737-900
→
08/14/2026
2h 19m
No alerts
Replay Analysis
N491UAAIRBUS Airbus A320
→
08/12/2026
1h 20m
No alerts
Replay Analysis
N17437BOEING Boeing 737 MAX 9
→
08/11/2026
2h 18m
No alerts
Replay Analysis
N34282BOEING Boeing 737-800
→
08/10/2026
3h 36m
No alerts
Replay Analysis
N37445BOEING Boeing 737 MAX 9
→
08/10/2026
2h 29m
No alerts
Replay Analysis
N23721BOEING Boeing 737-700
→
08/08/2026
1h 54m
No alerts
Replay Analysis
N77559BOEING Boeing 737 MAX 9
→
08/08/2026
2h 12m
No alerts
Replay Analysis
N37253BOEING Boeing 737-800
→
08/07/2026
3h 46m
No alerts
Replay Analysis
N17437BOEING Boeing 737 MAX 9
→
08/07/2026
2h 28m
No alerts
Replay Analysis
N77590BOEING Boeing 737 MAX 9
→
08/06/2026
2h 6m
No alerts
Replay Analysis
N87513BOEING Boeing 737-800
→
08/04/2026
46m
No alerts
Replay Analysis
N37551BOEING Boeing 737 MAX 9
→
08/04/2026
2h 16m
No alerts
Replay Analysis
N17413BOEING Boeing 737 MAX 9
→
08/03/2026
2h 13m
No alerts
Replay Analysis
N24706BOEING Boeing 737-700
→
08/01/2026
4h 36m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
08/01/2026
2h 22m
No alerts
Replay Analysis
N26226BOEING Boeing 737-800
→
07/31/2026
3h 53m
No alerts
Replay Analysis
N27546BOEING Boeing 737 MAX 9
→
07/31/2026
2h 21m
No alerts
Replay Analysis
N17448BOEING Boeing 737 MAX 9
→
07/30/2026
2h 11m
No alerts
Replay Analysis
N76508BOEING Boeing 737-800
→
07/28/2026
51m
No alerts
Replay Analysis
N17454BOEING Boeing 737 MAX 9
→
07/28/2026
2h 13m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window