UAL663 is operated by UNITED AIRLINES INC between Denver International Airport (KDEN) and Rogue Valley International Medford Airport (KMFR). The flight is most often flown by a BOEING Boeing 737-900. Typical block time is 2h 27m. SkyMeter has observed 166 legs of this flight number via ADS-B.

✈
FLIGHTS
166
last 90 days
⏱
AVG DURATION
2h 27m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/19/2026
first → last seen
🗺
ROUTES / TYPES
14 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

8
KDEN → KMFR
71
avg 2h 33m · Denver → Rogue Valley International Medford
KMCO → KEWR
22
avg 2h 25m · Orlando → Newark Liberty
KSJC → KDEN
19
avg 2h 26m · Norman Y. Mineta San Jose → Denver
KEWR → KDEN
11
avg 4h 4m · Newark Liberty → Denver
K18V → KDEN
1
avg 12m · Platte Valley Airpark → Denver
1CD2 → KDEN
1
avg 36m · Tonga → Denver
KMCO → KABE
1
avg 2h 53m · Orlando → Lehigh Valley
03CO → KDEN
1
avg 20m · Kugel-Strong → Denver

Aircraft types

Equipment used on this number

5
B739 BOEING Boeing 737-900
85
B39M BOEING Boeing 737 MAX 9
33
B752 BOEING Boeing 757-200
29
B38M BOEING Boeing 737 MAX 8
26
B738 BOEING Boeing 737-800
11

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 UAL663

30
N33103BOEING Boeing 757-200
→
07/19/2026
4h 11m
No alerts
Replay Analysis
N38454BOEING Boeing 737-900
→
07/19/2026
2h 53m
↘ Diverted
Replay Analysis
N69824BOEING Boeing 737-900
→
07/18/2026
2h 18m
No alerts
Replay Analysis
N29124BOEING Boeing 757-200
→
07/17/2026
3h 24m
No alerts
Replay Analysis
N39423BOEING Boeing 737-900
→
07/17/2026
2h 18m
No alerts
Replay Analysis
N38454BOEING Boeing 737-900
→
07/17/2026
2h 45m
No alerts
Replay Analysis
N41140BOEING Boeing 757-200
→
07/16/2026
3h 51m
No alerts
Replay Analysis
N39416BOEING Boeing 737-900
→
07/16/2026
2h 9m
No alerts
Replay Analysis
N38454BOEING Boeing 737-900
→
07/16/2026
2h 34m
No alerts
Replay Analysis
N17126BOEING Boeing 757-200
→
07/15/2026
3h 39m
No alerts
Replay Analysis
N69810BOEING Boeing 737-900
→
07/15/2026
2h 19m
No alerts
Replay Analysis
N69847BOEING Boeing 737-900
→
07/15/2026
2h 35m
No alerts
Replay Analysis
N27546BOEING Boeing 737 MAX 9
→
07/14/2026
3h 41m
No alerts
Replay Analysis
N37474BOEING Boeing 737-900
→
07/14/2026
2h 27m
No alerts
Replay Analysis
N73256BOEING Boeing 737-800
→
07/14/2026
2h 23m
No alerts
Replay Analysis
N37542BOEING Boeing 737 MAX 9
→
07/13/2026
3h 38m
No alerts
Replay Analysis
N62895BOEING Boeing 737-900
→
07/13/2026
2h 13m
No alerts
Replay Analysis
N33209BOEING Boeing 737-800
→
07/13/2026
2h 15m
No alerts
Replay Analysis
N12125BOEING Boeing 757-200
→
07/12/2026
3h 50m
No alerts
Replay Analysis
N66803BOEING Boeing 737-900
→
07/12/2026
2h 24m
No alerts
Replay Analysis
N77510BOEING Boeing 737-800
→
07/12/2026
2h 19m
No alerts
Replay Analysis
N57111BOEING Boeing 757-200
→
07/11/2026
3h 58m
No alerts
Replay Analysis
N36444BOEING Boeing 737-900
→
07/11/2026
1h 39m
No alerts
Replay Analysis
N67827BOEING Boeing 737-900
→
07/11/2026
3h 0m
No alerts
Replay Analysis
N68823BOEING Boeing 737-900
→
07/10/2026
2h 30m
No alerts
Replay Analysis
N69819BOEING Boeing 737-900
→
07/10/2026
2h 20m
No alerts
Replay Analysis
N69810BOEING Boeing 737-900
→
07/09/2026
3h 21m
No alerts
Replay Analysis
N14120BOEING Boeing 757-200
→
07/09/2026
3h 46m
No alerts
Replay Analysis
N14120BOEING Boeing 757-200
→
07/08/2026
4h 6m
No alerts
Replay Analysis
N14120BOEING Boeing 757-200
→
07/08/2026
20m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window