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 737-800. Typical block time is 2h 9m. SkyMeter has observed 208 legs of this flight number via ADS-B.

✈
FLIGHTS
208
last 90 days
⏱
AVG DURATION
2h 9m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/11/2026
first → last seen
🗺
ROUTES / TYPES
6 / 8
city pairs · airframes
⚠
INCIDENT RATE
1.0%
2 flagged

Routes flown

By count · last 90 days

3
KDEN → KIAH
84
avg 2h 14m · Denver → George Bush Intercontinental Houston
KIAH → KBWI
76
avg 2h 44m · George Bush Intercontinental Houston → Baltimore/Washington International Thurgood Marshall
KRAP → KDEN
28
avg 1h 10m · Rapid City → Denver

Aircraft types

Equipment used on this number

8
B738 BOEING Boeing 737-800
81
A21N AIRBUS Airbus A321 Neo
72
B739 BOEING Boeing 737-900
19
A319 AIRBUS Airbus A319
14
B39M BOEING Boeing 737 MAX 9
8
A320 AIRBUS Airbus A320
7
B753 BOEING Boeing 757-300
6
B38M BOEING Boeing 737 MAX 8
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
N76254BOEING Boeing 737-800
→
8/11/2026
2h 55m
No alerts
Replay Analysis
N69819BOEING Boeing 737-900
→
8/11/2026
2h 0m
No alerts
Replay Analysis
N13227BOEING Boeing 737-800
→
8/10/2026
2h 46m
No alerts
Replay Analysis
N44522AIRBUS Airbus A321 Neo
→
8/10/2026
2h 14m
No alerts
Replay Analysis
N76522BOEING Boeing 737-800
→
8/9/2026
1h 51m
No alerts
Replay Analysis
N14534AIRBUS Airbus A321 Neo
→
8/8/2026
2h 16m
No alerts
Replay Analysis
N14534AIRBUS Airbus A321 Neo
→
8/8/2026
44m
No alerts
Replay Analysis
N14534AIRBUS Airbus A321 Neo
→
8/8/2026
44m
No alerts
Replay Analysis
N66825BOEING Boeing 737-900
→
8/7/2026
1h 57m
No alerts
Replay Analysis
N68811BOEING Boeing 737-900
→
8/7/2026
21m
No alerts
Replay Analysis
N26226BOEING Boeing 737-800
→
8/6/2026
2h 51m
No alerts
Replay Analysis
N64809BOEING Boeing 737-900
→
8/6/2026
2h 11m
No alerts
Replay Analysis
N87513BOEING Boeing 737-800
→
8/5/2026
2h 54m
No alerts
Replay Analysis
N14536AIRBUS Airbus A321 Neo
→
8/5/2026
2h 7m
No alerts
Replay Analysis
N33203BOEING Boeing 737-800
→
8/4/2026
2h 50m
No alerts
Replay Analysis
N14548AIRBUS Airbus A321 Neo
→
8/4/2026
2h 21m
No alerts
Replay Analysis
N76508BOEING Boeing 737-800
→
8/3/2026
2h 49m
No alerts
Replay Analysis
N37516BOEING Boeing 737 MAX 9
→
8/3/2026
2h 12m
No alerts
Replay Analysis
N76523BOEING Boeing 737-800
→
8/2/2026
2h 35m
No alerts
Replay Analysis
N14509AIRBUS Airbus A321 Neo
→
8/2/2026
2h 8m
No alerts
Replay Analysis
N24573
→
8/1/2026
1h 53m
No alerts
Replay Analysis
N24573
→
8/1/2026
44m
No alerts
Replay Analysis
N77535BOEING Boeing 737-800
→
7/31/2026
2h 50m
No alerts
Replay Analysis
N37290BOEING Boeing 737-800
→
7/30/2026
2h 46m
No alerts
Replay Analysis
N14531AIRBUS Airbus A321 Neo
→
7/30/2026
2h 13m
No alerts
Replay Analysis
N14531AIRBUS Airbus A321 Neo
→
7/30/2026
15m
No alerts
Replay Analysis
N14531AIRBUS Airbus A321 Neo
→
7/30/2026
44m
No alerts
Replay Analysis
N76508BOEING Boeing 737-800
→
7/29/2026
2h 46m
No alerts
Replay Analysis
N13248BOEING Boeing 737-800
→
7/28/2026
2h 56m
No alerts
Replay Analysis
N44550AIRBUS Airbus A321 Neo
→
7/28/2026
2h 17m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window