UAL356 is operated by UNITED AIRLINES INC between Chicago O'Hare International Airport (KORD) and Hartsfield Jackson Atlanta International Airport (KATL). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 14m. SkyMeter has observed 82 legs of this flight number via ADS-B.

✈
FLIGHTS
82
last 90 days
⏱
AVG DURATION
2h 14m
tracked time
📅
SERVICE PERIOD
04/13/2026 → 06/03/2026
first → last seen
🗺
ROUTES / TYPES
5 / 7
city pairs · airframes
⚠
INCIDENT RATE
1.2%
1 flagged

Routes flown

By count · last 90 days

2
KORD → KATL
38
avg 1h 35m · Chicago O'Hare → Hartsfield Jackson Atlanta
KPHX → KORD
36
avg 3h 19m · Phoenix Sky Harbor → Chicago O'Hare

Aircraft types

Equipment used on this number

7
B39M BOEING Boeing 737 MAX 9
28
B739 BOEING Boeing 737-900
19
B737 BOEING Boeing 737-700
15
A319 AIRBUS Airbus A319
8
B738 BOEING Boeing 737-800
8
A320 AIRBUS Airbus A320
3
A21N AIRBUS Airbus A321 Neo
2

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 30 operations of UAL356

30
N17443BOEING Boeing 737 MAX 9
→
06/03/2026
1h 43m
No alerts
Replay Analysis
N47446BOEING Boeing 737 MAX 9
→
06/03/2026
3h 11m
No alerts
Replay Analysis
N17596BOEING Boeing 737 MAX 9
→
06/02/2026
1h 27m
No alerts
Replay Analysis
N17596BOEING Boeing 737 MAX 9
→
06/02/2026
3h 25m
No alerts
Replay Analysis
N17596BOEING Boeing 737 MAX 9
→
06/01/2026
1h 36m
No alerts
Replay Analysis
N17596BOEING Boeing 737 MAX 9
→
06/01/2026
3h 2m
No alerts
Replay Analysis
N57439BOEING Boeing 737-900
→
05/31/2026
1h 31m
No alerts
Replay Analysis
N37537BOEING Boeing 737 MAX 9
→
05/31/2026
3h 30m
No alerts
Replay Analysis
N37518BOEING Boeing 737 MAX 9
→
05/29/2026
1h 59m
No alerts
Replay Analysis
N17599BOEING Boeing 737 MAX 9
→
05/28/2026
1h 48m
No alerts
Replay Analysis
N17599BOEING Boeing 737 MAX 9
→
05/28/2026
3h 19m
No alerts
Replay Analysis
N21723BOEING Boeing 737-700
→
05/26/2026
1h 42m
No alerts
Replay Analysis
N17407BOEING Boeing 737 MAX 9
→
05/26/2026
3h 24m
No alerts
Replay Analysis
N17406BOEING Boeing 737 MAX 9
→
05/25/2026
10m
No alerts
Replay Analysis
N17406BOEING Boeing 737 MAX 9
→
05/25/2026
1h 50m
No alerts
Replay Analysis
N17435BOEING Boeing 737 MAX 9
→
05/25/2026
3h 18m
No alerts
Replay Analysis
N37471BOEING Boeing 737-900
→
05/24/2026
2h 6m
No alerts
Replay Analysis
N37556BOEING Boeing 737 MAX 9
→
05/24/2026
3h 45m
No alerts
Replay Analysis
N12225BOEING Boeing 737-800
→
05/23/2026
1h 25m
No alerts
Replay Analysis
N47453
→
05/23/2026
3h 18m
No alerts
Replay Analysis
N78448BOEING Boeing 737-900
→
05/21/2026
1h 32m
No alerts
Replay Analysis
N14518AIRBUS Airbus A321 Neo
→
05/21/2026
3h 21m
No alerts
Replay Analysis
N76523BOEING Boeing 737-800
→
05/18/2026
1h 34m
No alerts
Replay Analysis
N76523BOEING Boeing 737-800
→
05/18/2026
17m
No alerts
Replay Analysis
N69830BOEING Boeing 737-900
→
05/18/2026
3h 33m
No alerts
Replay Analysis
N884UAAIRBUS Airbus A319
→
05/17/2026
1h 50m
No alerts
Replay Analysis
N37413BOEING Boeing 737-900
→
05/17/2026
3h 8m
No alerts
Replay Analysis
N77431BOEING Boeing 737-900
→
05/16/2026
3h 12m
No alerts
Replay Analysis
N889UAAIRBUS Airbus A319
→
05/15/2026
1h 34m
No alerts
Replay Analysis
N66893BOEING Boeing 737-900
→
05/15/2026
3h 13m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window