UAL1188

UNITED AIRLINES INC · RDM → DEN

UAL1188 is operated by UNITED AIRLINES INC between Roberts Field (KRDM) and Denver International Airport (KDEN). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 1h 56m. SkyMeter has observed 173 legs of this flight number via ADS-B.

✈
FLIGHTS
173
last 90 days
⏱
AVG DURATION
1h 56m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/22/2026
first → last seen
🗺
ROUTES / TYPES
9 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KRDM → KDEN
81
avg 2h 3m · Roberts Field → Denver
KDEN → KTUS
77
avg 1h 50m · Denver → Tucson International Airport / Morris Air National Guard Base
KGJT → KDEN
1
avg 43m · Grand Junction → Denver
KRDM → KGJT
1
avg 1h 47m · Roberts Field → Grand Junction
KRDM → KFTG
1
avg 1h 55m · Roberts Field → Colorado Air and Space Port
KDEN → KRYN
1
avg 1h 48m · Denver → Ryan Field

Aircraft types

Equipment used on this number

6
B738 BOEING Boeing 737-800
89
A319 AIRBUS Airbus A319
54
A320 AIRBUS Airbus A320
19
B739 BOEING Boeing 737-900
6
B39M BOEING Boeing 737 MAX 9
4
B38M BOEING Boeing 737 MAX 8
1

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 UAL1188

30
N36272BOEING Boeing 737-800
→
08/22/2026
1h 34m
No alerts
Replay Analysis
N73291BOEING Boeing 737-800
→
08/22/2026
2h 4m
No alerts
Replay Analysis
N37545BOEING Boeing 737 MAX 9
→
08/21/2026
1h 46m
No alerts
Replay Analysis
N79541BOEING Boeing 737-800
→
08/19/2026
1h 50m
No alerts
Replay Analysis
N24212BOEING Boeing 737-800
→
08/18/2026
1h 38m
No alerts
Replay Analysis
N25201BOEING Boeing 737-800
→
08/18/2026
1h 52m
No alerts
Replay Analysis
N12221BOEING Boeing 737-800
→
08/17/2026
1h 54m
No alerts
Replay Analysis
N37274BOEING Boeing 737-800
→
08/17/2026
1h 55m
No alerts
Replay Analysis
N45440BOEING Boeing 737-900
→
08/16/2026
1h 43m
No alerts
Replay Analysis
N76288BOEING Boeing 737-800
→
08/16/2026
2h 4m
No alerts
Replay Analysis
N77525BOEING Boeing 737-800
→
08/15/2026
1h 54m
No alerts
Replay Analysis
N17233BOEING Boeing 737-800
→
08/15/2026
1h 59m
No alerts
Replay Analysis
N17436BOEING Boeing 737 MAX 9
→
08/14/2026
1h 37m
No alerts
Replay Analysis
N27239BOEING Boeing 737-800
→
08/14/2026
2h 13m
No alerts
Replay Analysis
N12238BOEING Boeing 737-800
→
08/13/2026
2h 0m
No alerts
Replay Analysis
N76532BOEING Boeing 737-800
→
08/13/2026
2h 7m
No alerts
Replay Analysis
N18220BOEING Boeing 737-800
→
08/12/2026
1h 48m
No alerts
Replay Analysis
N79541BOEING Boeing 737-800
→
08/12/2026
2h 6m
No alerts
Replay Analysis
N492UAAIRBUS Airbus A320
→
08/11/2026
2h 0m
No alerts
Replay Analysis
N25201BOEING Boeing 737-800
→
08/11/2026
1h 55m
No alerts
Replay Analysis
N37447BOEING Boeing 737 MAX 9
→
08/10/2026
1h 42m
No alerts
Replay Analysis
N33203BOEING Boeing 737-800
→
08/10/2026
2h 8m
No alerts
Replay Analysis
N445UAAIRBUS Airbus A320
→
08/09/2026
1h 19m
No alerts
Replay Analysis
N494UAAIRBUS Airbus A320
→
08/08/2026
1h 43m
No alerts
Replay Analysis
N35260BOEING Boeing 737-800
→
08/08/2026
2h 12m
No alerts
Replay Analysis
N442UAAIRBUS Airbus A320
→
08/07/2026
1h 29m
No alerts
Replay Analysis
N73278BOEING Boeing 737-800
→
08/07/2026
2h 15m
No alerts
Replay Analysis
N27503BOEING Boeing 737 MAX 9
→
08/06/2026
1h 28m
No alerts
Replay Analysis
N87527BOEING Boeing 737-800
→
08/06/2026
2h 11m
No alerts
Replay Analysis
N457UAAIRBUS Airbus A320
→
08/05/2026
1h 52m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window