UAL720 is operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Calgary International Airport (CYYC). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 4m. SkyMeter has observed 60 legs of this flight number via ADS-B.

✈
FLIGHTS
60
last 90 days
⏱
AVG DURATION
2h 4m
tracked time
📅
SERVICE PERIOD
04/07/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
7 / 6
city pairs · airframes
⚠
INCIDENT RATE
5.0%
3 flagged

Routes flown

By count · last 90 days

2
KDEN → CYYC
37
avg 2h 22m · Denver → Calgary
KTYS → KDEN
7
avg 2h 58m · McGhee Tyson → Denver

Aircraft types

Equipment used on this number

6
B738 BOEING Boeing 737-800
23
A320 AIRBUS Airbus A320
20
B739 BOEING Boeing 737-900
19
A319 AIRBUS Airbus A319
3
B38M BOEING Boeing 737 MAX 8
2
B39M BOEING Boeing 737 MAX 9
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
3
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 UAL720

30
N451UAAIRBUS Airbus A320
→
06/03/2026
2h 51m
No alerts
Replay Analysis
N73251BOEING Boeing 737-800
→
06/03/2026
2h 19m
No alerts
Replay Analysis
N435UAAIRBUS Airbus A320
→
06/03/2026
23m
No alerts
Replay Analysis
N435UAAIRBUS Airbus A320
→
06/02/2026
3h 5m
No alerts
Replay Analysis
N435UAAIRBUS Airbus A320
→
06/02/2026
2h 42m
No alerts
Replay Analysis
N454UAAIRBUS Airbus A320
→
06/02/2026
1h 44m
No alerts
Replay Analysis
N454UAAIRBUS Airbus A320
→
06/01/2026
1h 47m
No alerts
Replay Analysis
N454UAAIRBUS Airbus A320
→
06/01/2026
3h 32m
No alerts
Replay Analysis
N26210BOEING Boeing 737-800
→
06/01/2026
2h 15m
No alerts
Replay Analysis
N449UAAIRBUS Airbus A320
→
05/31/2026
2h 48m
No alerts
Replay Analysis
N457UAAIRBUS Airbus A320
→
05/29/2026
2h 22m
No alerts
Replay Analysis
N34282BOEING Boeing 737-800
→
05/29/2026
2h 19m
△ Unstable
Replay Analysis
N488UAAIRBUS Airbus A320
→
05/28/2026
2h 37m
No alerts
Replay Analysis
N14250BOEING Boeing 737-800
→
05/28/2026
2h 12m
No alerts
Replay Analysis
N473UAAIRBUS Airbus A320
→
05/28/2026
15m
△ Unstable
Replay Analysis
N472UAAIRBUS Airbus A320
→
05/26/2026
1h 0m
No alerts
Replay Analysis
N78509BOEING Boeing 737-800
→
05/26/2026
2h 18m
No alerts
Replay Analysis
N498UAAIRBUS Airbus A320
→
05/25/2026
2h 39m
No alerts
Replay Analysis
N494UAAIRBUS Airbus A320
→
05/25/2026
40m
No alerts
Replay Analysis
N494UAAIRBUS Airbus A320
→
05/24/2026
2h 46m
No alerts
Replay Analysis
N494UAAIRBUS Airbus A320
→
05/24/2026
2h 5m
No alerts
Replay Analysis
N76528BOEING Boeing 737-800
→
05/24/2026
2h 16m
No alerts
Replay Analysis
N4901UAIRBUS Airbus A320
→
05/24/2026
17m
No alerts
Replay Analysis
N4901UAIRBUS Airbus A320
→
05/23/2026
2h 54m
No alerts
Replay Analysis
N497UAAIRBUS Airbus A320
→
05/23/2026
25m
No alerts
Replay Analysis
N497UAAIRBUS Airbus A320
→
05/22/2026
46m
No alerts
Replay Analysis
N17229BOEING Boeing 737-800
→
05/22/2026
2h 22m
No alerts
Replay Analysis
N822UAAIRBUS Airbus A319
→
05/22/2026
33m
No alerts
Replay Analysis
N822UAAIRBUS Airbus A319
→
05/21/2026
2h 44m
No alerts
Replay Analysis
N822UAAIRBUS Airbus A319
→
05/21/2026
3h 17m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window