UAL1720

UNITED AIRLINES INC · DEN → IAH

UAL1720 is operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and George Bush Intercontinental Houston Airport (KIAH). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 2h 3m. SkyMeter has observed 70 legs of this flight number via ADS-B.

✈
FLIGHTS
70
last 90 days
⏱
AVG DURATION
2h 3m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
6 / 8
city pairs · airframes
⚠
INCIDENT RATE
2.9%
2 flagged

Routes flown

By count · last 90 days

4
KDEN → KIAH
28
avg 2h 10m · Denver → George Bush Intercontinental Houston
62TS → KBWI
14
avg 2h 35m · Gateway Helistop → Baltimore/Washington International Thurgood Marshall
KRAP → KDEN
10
avg 1h 10m · Rapid City → Denver
KIAH → KBWI
10
avg 2h 37m · George Bush Intercontinental Houston → Baltimore/Washington International Thurgood Marshall

Aircraft types

Equipment used on this number

8
B739 BOEING Boeing 737-900
21
A21N AIRBUS Airbus A321 Neo
13
B738 BOEING Boeing 737-800
11
B753 BOEING Boeing 757-300
10
B772 BOEING Boeing 777-200
8
A319 AIRBUS Airbus A319
5
A320 AIRBUS Airbus A320
1
B39M BOEING Boeing 737 MAX 9
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
2
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 UAL1720

30
N17229BOEING Boeing 737-800
→
06/03/2026
2h 45m
No alerts
Replay Analysis
N14506AIRBUS Airbus A321 Neo
→
06/03/2026
2h 16m
No alerts
Replay Analysis
N478UAAIRBUS Airbus A320
→
06/03/2026
1h 8m
No alerts
Replay Analysis
N26226BOEING Boeing 737-800
→
06/02/2026
2h 33m
No alerts
Replay Analysis
N14557AIRBUS Airbus A321 Neo
→
06/02/2026
2h 19m
No alerts
Replay Analysis
N67827BOEING Boeing 737-900
→
06/02/2026
1h 27m
△ Unstable
Replay Analysis
N87513BOEING Boeing 737-800
→
06/01/2026
2h 35m
No alerts
Replay Analysis
N44550AIRBUS Airbus A321 Neo
→
06/01/2026
2h 15m
No alerts
Replay Analysis
N842UAAIRBUS Airbus A319
→
06/01/2026
1h 8m
No alerts
Replay Analysis
N37267BOEING Boeing 737-800
→
05/31/2026
2h 29m
No alerts
Replay Analysis
N34455BOEING Boeing 737-900
→
05/31/2026
1h 56m
No alerts
Replay Analysis
N837UAAIRBUS Airbus A319
→
05/31/2026
57m
No alerts
Replay Analysis
N35236BOEING Boeing 737-800
→
05/29/2026
2h 28m
No alerts
Replay Analysis
N14531AIRBUS Airbus A321 Neo
→
05/29/2026
2h 0m
No alerts
Replay Analysis
N38443BOEING Boeing 737-900
→
05/29/2026
1h 5m
No alerts
Replay Analysis
N76529BOEING Boeing 737-800
→
05/28/2026
2h 41m
No alerts
Replay Analysis
N14502AIRBUS Airbus A321 Neo
→
05/28/2026
2h 8m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
05/28/2026
1h 25m
No alerts
Replay Analysis
N76528BOEING Boeing 737-800
→
05/26/2026
2h 33m
No alerts
Replay Analysis
N14511AIRBUS Airbus A321 Neo
→
05/26/2026
2h 14m
No alerts
Replay Analysis
N61898BOEING Boeing 737-900
→
05/26/2026
1h 3m
No alerts
Replay Analysis
N37253BOEING Boeing 737-800
→
05/25/2026
2h 30m
No alerts
Replay Analysis
N14530AIRBUS Airbus A321 Neo
→
05/25/2026
2h 11m
No alerts
Replay Analysis
N820UAAIRBUS Airbus A319
→
05/25/2026
1h 8m
No alerts
Replay Analysis
N24224BOEING Boeing 737-800
→
05/24/2026
2h 41m
No alerts
Replay Analysis
N14566AIRBUS Airbus A321 Neo
→
05/24/2026
2h 10m
No alerts
Replay Analysis
N844UAAIRBUS Airbus A319
→
05/24/2026
1h 4m
No alerts
Replay Analysis
N76523BOEING Boeing 737-800
→
05/23/2026
2h 39m
No alerts
Replay Analysis
N14541AIRBUS Airbus A321 Neo
→
05/23/2026
2h 23m
No alerts
Replay Analysis
N874UAAIRBUS Airbus A319
→
05/23/2026
1h 8m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window