UAL366 is operated by UNITED AIRLINES INC between General Edward Lawrence Logan International Airport (KBOS) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a BOEING Boeing 777-200. Typical block time is 3h 46m. SkyMeter has observed 77 legs of this flight number via ADS-B.

✈
FLIGHTS
77
last 90 days
⏱
AVG DURATION
3h 46m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/20/2026
first → last seen
🗺
ROUTES / TYPES
11 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

7
KBOS → KORD
29
avg 2h 27m · General Edward Lawrence Logan → Chicago O'Hare
KSFO → KEWR
23
avg 5h 25m · San Francisco → Newark Liberty
KHAF → KEWR
10
avg 5h 27m · Half Moon Bay → Newark Liberty
KOAK → KEWR
1
avg 5h 25m · Metropolitan Oakland → Newark Liberty
US-0568 → KORD
1
avg 2h 6m · Tailwind Boston Seaplane Base → Chicago O'Hare
US-0188 → KEWR
1
avg 5h 21m · Coast Guard Air Station San Francisco → Newark Liberty
KSFO → KORD
1
avg 5h 33m · San Francisco → Chicago O'Hare

Aircraft types

Equipment used on this number

5
B772 BOEING Boeing 777-200
70
B752 BOEING Boeing 757-200
40
A21N AIRBUS Airbus A321 Neo
29
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
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 UAL366

30
N19136BOEING Boeing 757-200
→
08/20/2026
1h 31m
No alerts
Replay Analysis
N17128BOEING Boeing 757-200
→
08/20/2026
2h 54m
No alerts
Replay Analysis
N58101BOEING Boeing 757-200
→
08/18/2026
2h 47m
No alerts
Replay Analysis
N17122BOEING Boeing 757-200
→
08/18/2026
2h 42m
No alerts
Replay Analysis
N17122BOEING Boeing 757-200
→
08/17/2026
2h 48m
No alerts
Replay Analysis
N17122BOEING Boeing 757-200
→
08/17/2026
5h 31m
No alerts
Replay Analysis
N13110BOEING Boeing 757-200
→
08/17/2026
3h 53m
No alerts
Replay Analysis
N13110BOEING Boeing 757-200
→
08/16/2026
1h 54m
No alerts
Replay Analysis
N13110BOEING Boeing 757-200
→
08/16/2026
5h 47m
No alerts
Replay Analysis
N12116BOEING Boeing 757-200
→
08/16/2026
3h 3m
No alerts
Replay Analysis
N12116BOEING Boeing 757-200
→
08/15/2026
2h 33m
No alerts
Replay Analysis
N12116BOEING Boeing 757-200
→
08/15/2026
5h 56m
No alerts
Replay Analysis
N14118BOEING Boeing 757-200
→
08/15/2026
3h 22m
No alerts
Replay Analysis
N14118BOEING Boeing 757-200
→
08/14/2026
2h 12m
No alerts
Replay Analysis
N14118BOEING Boeing 757-200
→
08/14/2026
5h 35m
No alerts
Replay Analysis
N12109BOEING Boeing 757-200
→
08/14/2026
2h 54m
No alerts
Replay Analysis
N12109BOEING Boeing 757-200
→
08/13/2026
5h 23m
No alerts
Replay Analysis
N12109BOEING Boeing 757-200
→
08/13/2026
2h 28m
No alerts
Replay Analysis
N58101BOEING Boeing 757-200
→
08/12/2026
4h 40m
No alerts
Replay Analysis
N18112BOEING Boeing 757-200
→
08/11/2026
4h 23m
No alerts
Replay Analysis
N18112BOEING Boeing 757-200
→
08/10/2026
48m
No alerts
Replay Analysis
N18112BOEING Boeing 757-200
→
08/10/2026
5h 11m
No alerts
Replay Analysis
N19141BOEING Boeing 757-200
→
08/10/2026
4h 56m
No alerts
Replay Analysis
N19141BOEING Boeing 757-200
→
08/09/2026
41m
No alerts
Replay Analysis
N19141BOEING Boeing 757-200
→
08/09/2026
5h 37m
No alerts
Replay Analysis
N786UABOEING Boeing 777-200
→
08/09/2026
2h 23m
No alerts
Replay Analysis
N786UABOEING Boeing 777-200
→
08/08/2026
2h 55m
No alerts
Replay Analysis
N786UABOEING Boeing 777-200
→
08/08/2026
5h 19m
No alerts
Replay Analysis
N57111BOEING Boeing 757-200
→
08/08/2026
4h 10m
No alerts
Replay Analysis
N57111BOEING Boeing 757-200
→
08/07/2026
57m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window