UAL8137

UNITED AIRLINES INC · DEN → TUS

UAL8137 is operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Tucson International Airport / Morris Air National Guard Base (KTUS). The flight is most often flown by a BOEING Boeing 737 MAX 8. Typical block time is 2h 40m. SkyMeter has observed 6 legs of this flight number via ADS-B.

✈
FLIGHTS
6
last 90 days
⏱
AVG DURATION
2h 40m
tracked time
📅
SERVICE PERIOD
04/17/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
6 / 3
city pairs · airframes
⚠
INCIDENT RATE
33.3%
2 flagged

Routes flown

By count · last 90 days

5
KDEN → KTUS
1
avg 2h 23m · Denver → Tucson International Airport / Morris Air National Guard Base
KDEN → KHDN
1
avg 38m · Denver → Yampa Valley
KSFO → KIAD
1
avg 5h 0m · San Francisco → Washington Dulles
KEWR → KLNA
1
avg 2h 42m · Newark Liberty → Palm Beach County Park
62TS → KMSY
1
avg 48m · Gateway Helistop → Louis Armstrong New Orleans

Aircraft types

Equipment used on this number

3
B38M BOEING Boeing 737 MAX 8
3
B39M BOEING Boeing 737 MAX 9
2
B739 BOEING Boeing 737-900
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 6 operations of UAL8137

6
N17420BOEING Boeing 737 MAX 9
→
06/03/2026
47m
No alerts
Replay Analysis
N62849BOEING Boeing 737-900
→
05/26/2026
5h 0m
No alerts
Replay Analysis
N17428BOEING Boeing 737 MAX 9
→
05/21/2026
2h 41m
△ Unstable
Replay Analysis
N47291BOEING Boeing 737 MAX 8
→
05/18/2026
4h 32m
No alerts
Replay Analysis
N37352BOEING Boeing 737 MAX 8
→
04/18/2026
38m
△ Unstable
Replay Analysis
N27251BOEING Boeing 737 MAX 8
→
04/17/2026
2h 22m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window