UAL623 is operated by UNITED AIRLINES INC between La Guardia Airport (KLGA) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 2h 22m. SkyMeter has observed 182 legs of this flight number via ADS-B.

✈
FLIGHTS
182
last 90 days
⏱
AVG DURATION
2h 22m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/22/2026
first → last seen
🗺
ROUTES / TYPES
9 / 7
city pairs · airframes
⚠
INCIDENT RATE
0.5%
1 flagged

Routes flown

By count · last 90 days

5
KLGA → KORD
74
avg 2h 17m · La Guardia → Chicago O'Hare
KORD → KBZN
65
avg 2h 51m · Chicago O'Hare → Gallatin Field
KORD → KLOT
1
avg 3h 9m · Chicago O'Hare → Lewis University
KLGA → KTEB
1
avg 2h 14m · La Guardia → Teterboro
KLGA → KGRR
1
avg 2h 49m · La Guardia → Gerald R. Ford

Aircraft types

Equipment used on this number

7
B738 BOEING Boeing 737-800
124
A320 AIRBUS Airbus A320
40
A319 AIRBUS Airbus A319
11
B39M BOEING Boeing 737 MAX 9
4
B38M BOEING Boeing 737 MAX 8
3
B737 BOEING Boeing 737-700
3
B739 BOEING Boeing 737-900
1

Safety profile

Flagged flights · last 90 days

Go-arounds
0
Unstable approach
1
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 UAL623

30
N17402BOEING Boeing 737 MAX 9
→
08/22/2026
2h 46m
No alerts
Replay Analysis
N77525BOEING Boeing 737-800
→
08/21/2026
3h 8m
No alerts
Replay Analysis
N16217BOEING Boeing 737-800
→
08/18/2026
3h 21m
No alerts
Replay Analysis
N76269BOEING Boeing 737-800
→
08/18/2026
2h 39m
No alerts
Replay Analysis
N14214BOEING Boeing 737-800
→
08/17/2026
3h 6m
No alerts
Replay Analysis
N16234BOEING Boeing 737-800
→
08/16/2026
2h 51m
No alerts
Replay Analysis
N26208BOEING Boeing 737-800
→
08/16/2026
2h 14m
No alerts
Replay Analysis
N35260BOEING Boeing 737-800
→
08/15/2026
2h 46m
No alerts
Replay Analysis
N35260BOEING Boeing 737-800
→
08/15/2026
8m
No alerts
Replay Analysis
N54241BOEING Boeing 737-800
→
08/14/2026
3h 3m
No alerts
Replay Analysis
N14230BOEING Boeing 737-800
→
08/14/2026
2h 30m
No alerts
Replay Analysis
N14240BOEING Boeing 737-800
→
08/14/2026
2h 31m
No alerts
Replay Analysis
N14240BOEING Boeing 737-800
→
08/13/2026
23m
No alerts
Replay Analysis
N14240BOEING Boeing 737-800
→
08/13/2026
5m
No alerts
Replay Analysis
N14240BOEING Boeing 737-800
→
08/13/2026
3h 23m
No alerts
Replay Analysis
N73259BOEING Boeing 737-800
→
08/13/2026
13m
No alerts
Replay Analysis
N73259BOEING Boeing 737-800
→
08/13/2026
2h 40m
No alerts
Replay Analysis
N26208BOEING Boeing 737-800
→
08/12/2026
1h 32m
No alerts
Replay Analysis
N16234BOEING Boeing 737-800
→
08/12/2026
2h 3m
No alerts
Replay Analysis
N76522BOEING Boeing 737-800
→
08/11/2026
2h 47m
No alerts
Replay Analysis
N76522BOEING Boeing 737-800
→
08/11/2026
3h 19m
No alerts
Replay Analysis
N441UAAIRBUS Airbus A320
→
08/10/2026
2h 49m
△ Low approach-stability score
Replay Analysis
N35271BOEING Boeing 737-800
→
08/10/2026
2h 47m
No alerts
Replay Analysis
N451UAAIRBUS Airbus A320
→
08/09/2026
3h 6m
No alerts
Replay Analysis
N37252BOEING Boeing 737-800
→
08/09/2026
8m
No alerts
Replay Analysis
N37252BOEING Boeing 737-800
→
08/09/2026
15m
No alerts
Replay Analysis
N37252BOEING Boeing 737-800
→
08/09/2026
2h 3m
No alerts
Replay Analysis
N811UAAIRBUS Airbus A319
→
08/08/2026
2h 40m
No alerts
Replay Analysis
N35204BOEING Boeing 737-800
→
08/08/2026
2h 7m
No alerts
Replay Analysis
N490UAAIRBUS Airbus A320
→
08/07/2026
2h 50m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window