UAL8255

UNITED AIRLINES INC · ORD → BOS

UAL8255 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 BOEING Boeing 737-900. Typical block time is 2h 45m. SkyMeter has observed 11 legs of this flight number via ADS-B.

✈
FLIGHTS
11
last 90 days
⏱
AVG DURATION
2h 45m
tracked time
📅
SERVICE PERIOD
04/14/2026 → 06/01/2026
first → last seen
🗺
ROUTES / TYPES
11 / 4
city pairs · airframes
⚠
INCIDENT RATE
9.1%
1 flagged

Routes flown

By count · last 90 days

8
KORD → KBOS
1
avg 1h 58m · Chicago O'Hare → General Edward Lawrence Logan
KORD → KCLT
1
avg 1h 52m · Chicago O'Hare → Charlotte Douglas
KSFO → KLAX
1
avg 1h 21m · San Francisco → Los Angeles
KDEN → KSNA
1
avg 2h 33m · Denver → John Wayne Airport-Orange County
KPIT → KLAX
1
avg 4h 52m · Pittsburgh → Los Angeles
KSFO → KIAD
1
avg 5h 10m · San Francisco → Washington Dulles
KTPA → KDEN
1
avg 3h 49m · Tampa → Denver
KDFW → KORD
1
avg 2h 14m · Dallas Fort Worth → Chicago O'Hare

Aircraft types

Equipment used on this number

4
B739 BOEING Boeing 737-900
8
A21N AIRBUS Airbus A321 Neo
5
B39M BOEING Boeing 737 MAX 9
2
A319 AIRBUS Airbus A319
1

Safety profile

Flagged flights · last 90 days

Go-arounds
1
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 16 operations of UAL8255

16
N34551AIRBUS Airbus A321 Neo
→
06/02/2026
1h 41m
No alerts
Replay Analysis
N34551AIRBUS Airbus A321 Neo
→
06/01/2026
50m
No alerts
Replay Analysis
N34551AIRBUS Airbus A321 Neo
→
06/01/2026
2h 32m
No alerts
Replay Analysis
N68452BOEING Boeing 737-900
→
05/25/2026
2h 53m
No alerts
Replay Analysis
N68452BOEING Boeing 737-900
→
05/24/2026
1h 58m
No alerts
Replay Analysis
N68452BOEING Boeing 737-900
→
05/24/2026
4h 52m
No alerts
Replay Analysis
N69830BOEING Boeing 737-900
→
05/24/2026
1h 16m
No alerts
Replay Analysis
N69830BOEING Boeing 737-900
→
05/23/2026
47m
No alerts
Replay Analysis
N69830BOEING Boeing 737-900
→
05/23/2026
10m
No alerts
Replay Analysis
N69830BOEING Boeing 737-900
→
05/23/2026
2h 13m
No alerts
Replay Analysis
N844UAAIRBUS Airbus A319
→
05/21/2026
1h 51m
No alerts
Replay Analysis
N14523AIRBUS Airbus A321 Neo
→
05/10/2026
1h 57m
No alerts
Replay Analysis
N17431BOEING Boeing 737 MAX 9
→
04/30/2026
2h 47m
No alerts
Replay Analysis
N37456BOEING Boeing 737-900
→
04/27/2026
1h 21m
↻ Go-around
Replay Analysis
N37551BOEING Boeing 737 MAX 9
→
04/18/2026
5h 9m
No alerts
Replay Analysis
N14507AIRBUS Airbus A321 Neo
→
04/14/2026
3h 48m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window