UAL661 is operated by UNITED AIRLINES INC between John Wayne Airport-Orange County Airport (KSNA) and Newark Liberty International Airport (KEWR). The flight is most often flown by a BOEING Boeing 757-200. Typical block time is 3h 6m. SkyMeter has observed 215 legs of this flight number via ADS-B.

✈
FLIGHTS
215
last 90 days
⏱
AVG DURATION
3h 6m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
18 / 6
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

10
KSNA → KEWR
64
avg 5h 8m · John Wayne Airport-Orange County → Newark Liberty
KEWR → KORD
63
avg 2h 25m · Newark Liberty → Chicago O'Hare
KORD → KLAX
23
avg 4h 7m · Chicago O'Hare → Los Angeles
KORD → KIND
8
avg 52m · Chicago O'Hare → Indianapolis
KSNA → KCLE
2
avg 4h 45m · John Wayne Airport-Orange County → Cleveland Hopkins
KSNA → KORD
2
avg 4h 9m · John Wayne Airport-Orange County → Chicago O'Hare
KDPA → KORD
1
avg 41m · Dupage → Chicago O'Hare
KSNA → KRIC
1
avg 6h 2m · John Wayne Airport-Orange County → Richmond
KIAD → KEWR
1
avg 1h 48m · Washington Dulles → Newark Liberty
KSNA → KIAD
1
avg 5h 11m · John Wayne Airport-Orange County → Washington Dulles

Aircraft types

Equipment used on this number

6
B752 BOEING Boeing 757-200
115
B737 BOEING Boeing 737-700
79
A21N AIRBUS Airbus A321 Neo
26
B39M BOEING Boeing 737 MAX 9
10
B739 BOEING Boeing 737-900
2
B753 BOEING Boeing 757-300
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 UAL661

30
N47524BOEING Boeing 737 MAX 9
→
08/20/2026
47m
No alerts
Replay Analysis
N47524BOEING Boeing 737 MAX 9
→
08/20/2026
12m
No alerts
Replay Analysis
N27464BOEING Boeing 737 MAX 9
→
08/19/2026
43m
No alerts
Replay Analysis
N17104BOEING Boeing 757-200
→
08/18/2026
2h 34m
No alerts
Replay Analysis
N24729BOEING Boeing 737-700
→
08/18/2026
5h 18m
No alerts
Replay Analysis
N47570BOEING Boeing 737 MAX 9
→
08/18/2026
52m
No alerts
Replay Analysis
N14118BOEING Boeing 757-200
→
08/18/2026
23m
No alerts
Replay Analysis
N14118BOEING Boeing 757-200
→
08/17/2026
2h 22m
No alerts
Replay Analysis
N21723BOEING Boeing 737-700
→
08/17/2026
5h 6m
No alerts
Replay Analysis
N77578BOEING Boeing 737 MAX 9
→
08/17/2026
55m
No alerts
Replay Analysis
N17128BOEING Boeing 757-200
→
08/17/2026
29m
No alerts
Replay Analysis
N17128BOEING Boeing 757-200
→
08/16/2026
2h 27m
No alerts
Replay Analysis
N17128BOEING Boeing 757-200
→
08/16/2026
1h 58m
No alerts
Replay Analysis
N15710BOEING Boeing 737-700
→
08/16/2026
5h 35m
No alerts
Replay Analysis
N17574BOEING Boeing 737 MAX 9
→
08/16/2026
44m
No alerts
Replay Analysis
N57111BOEING Boeing 757-200
→
08/15/2026
24m
No alerts
Replay Analysis
N57111BOEING Boeing 757-200
→
08/15/2026
2h 27m
No alerts
Replay Analysis
N15751BOEING Boeing 737-700
→
08/15/2026
4h 56m
No alerts
Replay Analysis
N17431BOEING Boeing 737 MAX 9
→
08/15/2026
30m
No alerts
Replay Analysis
N17431BOEING Boeing 737 MAX 9
→
08/15/2026
17m
No alerts
Replay Analysis
N12109BOEING Boeing 757-200
→
08/14/2026
16m
No alerts
Replay Analysis
N12109BOEING Boeing 757-200
→
08/14/2026
2h 13m
No alerts
Replay Analysis
N27734BOEING Boeing 737-700
→
08/14/2026
5h 12m
No alerts
Replay Analysis
N75432BOEING Boeing 737-900
→
08/14/2026
1h 51m
No alerts
Replay Analysis
N75432BOEING Boeing 737-900
→
08/14/2026
25m
No alerts
Replay Analysis
N29124BOEING Boeing 757-200
→
08/13/2026
3h 3m
No alerts
Replay Analysis
N39726BOEING Boeing 737-700
→
08/13/2026
5h 17m
No alerts
Replay Analysis
N27733BOEING Boeing 737-700
→
08/12/2026
4h 48m
No alerts
Replay Analysis
N37548BOEING Boeing 737 MAX 9
→
08/12/2026
32m
No alerts
Replay Analysis
N19141BOEING Boeing 757-200
→
08/11/2026
1h 26m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window