UAL8231

UNITED AIRLINES INC · ORD → BOS

UAL8231 is operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and General Edward Lawrence Logan International Airport (KBOS). The flight is most often flown by a AIRBUS Airbus A321 Neo. Typical block time is 1h 9m. SkyMeter has observed 8 legs of this flight number via ADS-B.

✈
FLIGHTS
8
last 90 days
⏱
AVG DURATION
1h 9m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/10/2026
first → last seen
🗺
ROUTES / TYPES
7 / 5
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

3
KORD → KBOS
1
avg 2h 5m · Chicago O'Hare → General Edward Lawrence Logan
KIAD → KCLE
1
avg 1h 29m · Washington Dulles → Cleveland Hopkins
KORD → KATL
1
avg 1h 26m · Chicago O'Hare → Hartsfield Jackson Atlanta

Aircraft types

Equipment used on this number

5
A21N AIRBUS Airbus A321 Neo
2
A320 AIRBUS Airbus A320
2
A319 AIRBUS Airbus A319
2
B753 BOEING Boeing 757-300
1
B39M BOEING Boeing 737 MAX 9
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 UAL8231

30
N14541AIRBUS Airbus A321 Neo
→
8/10/2026
2h 4m
No alerts
Replay Analysis
N14541AIRBUS Airbus A321 Neo
→
8/9/2026
12m
No alerts
Replay Analysis
N492UAAIRBUS Airbus A320
→
8/2/2026
51m
No alerts
Replay Analysis
N819UAAIRBUS Airbus A319
→
7/29/2026
1h 25m
No alerts
Replay Analysis
N819UAAIRBUS Airbus A319
→
7/29/2026
13m
No alerts
Replay Analysis
N75853BOEING Boeing 757-300
→
6/22/2026
1h 1m
No alerts
Replay Analysis
N37518BOEING Boeing 737 MAX 9
→
6/19/2026
1h 28m
No alerts
Replay Analysis
N430UAAIRBUS Airbus A320
→
5/25/2026
1h 57m
No alerts
Replay Analysis
N435UAAIRBUS Airbus A320
→
5/3/2026
1h 35m
No alerts
Replay Analysis
N435UAAIRBUS Airbus A320
→
5/3/2026
1h 35m
No alerts
Replay Analysis
N39450BOEING Boeing 737-900
→
4/26/2026
1h 44m
No alerts
Replay Analysis
N69816BOEING Boeing 737-900
→
3/28/2026
1h 3m
No alerts
Replay Analysis
N47288BOEING Boeing 737 MAX 8
→
3/17/2026
52m
No alerts
Replay Analysis
N62884BOEING Boeing 737-900
→
3/17/2026
20m
No alerts
Replay Analysis
N62884BOEING Boeing 737-900
→
3/16/2026
1h 13m
No alerts
Replay Analysis
N62884BOEING Boeing 737-900
→
3/16/2026
52m
No alerts
Replay Analysis
N69806BOEING Boeing 737-900
→
3/7/2026
2h 27m
No alerts
Replay Analysis
N17331BOEING Boeing 737 MAX 8
→
2/23/2026
2h 47m
No alerts
Replay Analysis
N37470BOEING Boeing 737-900
→
1/6/2026
51m
No alerts
Replay Analysis
N37470BOEING Boeing 737-900
→
1/6/2026
51m
No alerts
Replay Analysis
N37470BOEING Boeing 737-900
→
1/5/2026
32m
No alerts
Replay Analysis
N37470BOEING Boeing 737-900
→
1/5/2026
1h 23m
No alerts
Replay Analysis
N36444BOEING Boeing 737-900
→
12/29/2025
1h 7m
No alerts
Replay Analysis
N453UAAIRBUS Airbus A320
→
12/29/2025
40m
No alerts
Replay Analysis
N17596BOEING Boeing 737 MAX 9
→
12/20/2025
5h 51m
No alerts
Replay Analysis
N67846BOEING Boeing 737-900
→
12/1/2025
49m
No alerts
Replay Analysis
N57863BOEING Boeing 757-300
→
10/27/2025
3h 40m
No alerts
Replay Analysis
N87512BOEING Boeing 737-800
→
9/20/2025
1h 38m
No alerts
Replay Analysis
N87512BOEING Boeing 737-800
→
9/19/2025
19m
No alerts
Replay Analysis
N87512BOEING Boeing 737-800
→
9/19/2025
1h 57m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window