UAL343 is operated by UNITED AIRLINES INC between Nashville International Airport (KBNA) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a BOEING Boeing 737-800. Typical block time is 1h 40m. SkyMeter has observed 90 legs of this flight number via ADS-B.

✈
FLIGHTS
90
last 90 days
⏱
AVG DURATION
1h 40m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/29/2026
first → last seen
🗺
ROUTES / TYPES
5 / 5
city pairs · airframes
⚠
INCIDENT RATE
3.3%
3 flagged

Routes flown

By count · last 90 days

3
KBNA → KORD
65
avg 1h 25m · Nashville → Chicago O'Hare
KFAT → KORD
14
avg 3h 37m · Fresno Yosemite → Chicago O'Hare
IS25 → KORD
1
avg 3h 26m · B & L Heliport → Chicago O'Hare

Aircraft types

Equipment used on this number

5
B738 BOEING Boeing 737-800
39
B739 BOEING Boeing 737-900
22
B737 BOEING Boeing 737-700
21
B39M BOEING Boeing 737 MAX 9
7
A319 AIRBUS Airbus A319
1

Safety profile

Flagged flights · last 90 days

Go-arounds
1
Unstable approach
2
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 UAL343

30
N39726BOEING Boeing 737-700
→
08/29/2026
3h 32m
No alerts
Replay Analysis
N24702BOEING Boeing 737-700
→
08/25/2026
3h 34m
△ Low approach-stability score
Replay Analysis
N13750BOEING Boeing 737-700
→
08/24/2026
3h 21m
No alerts
Replay Analysis
N15751BOEING Boeing 737-700
→
08/23/2026
3h 45m
No alerts
Replay Analysis
N15710BOEING Boeing 737-700
→
08/22/2026
3h 38m
No alerts
Replay Analysis
N38473BOEING Boeing 737-900
→
08/20/2026
3h 23m
No alerts
Replay Analysis
N67815BOEING Boeing 737-900
→
08/18/2026
3h 39m
No alerts
Replay Analysis
N13718BOEING Boeing 737-700
→
08/17/2026
3h 27m
No alerts
Replay Analysis
N36444BOEING Boeing 737-900
→
08/16/2026
3h 40m
No alerts
Replay Analysis
N16703BOEING Boeing 737-700
→
08/15/2026
3h 47m
No alerts
Replay Analysis
N87442BOEING Boeing 737 MAX 9
→
08/14/2026
19m
No alerts
Replay Analysis
N87442BOEING Boeing 737 MAX 9
→
08/14/2026
3h 42m
No alerts
Replay Analysis
N17719BOEING Boeing 737-700
→
08/13/2026
7m
No alerts
Replay Analysis
N17719BOEING Boeing 737-700
→
08/13/2026
3h 53m
No alerts
Replay Analysis
N15751BOEING Boeing 737-700
→
08/12/2026
3h 54m
No alerts
Replay Analysis
N13720BOEING Boeing 737-700
→
08/11/2026
13m
No alerts
Replay Analysis
N13720BOEING Boeing 737-700
→
08/11/2026
9m
No alerts
Replay Analysis
N13720BOEING Boeing 737-700
→
08/11/2026
3h 28m
No alerts
Replay Analysis
N73291BOEING Boeing 737-800
→
08/10/2026
1h 37m
No alerts
Replay Analysis
N37541BOEING Boeing 737 MAX 9
→
08/09/2026
3h 26m
No alerts
Replay Analysis
N17454BOEING Boeing 737 MAX 9
→
08/08/2026
1h 14m
No alerts
Replay Analysis
N76526BOEING Boeing 737-800
→
08/07/2026
1h 26m
No alerts
Replay Analysis
N76514BOEING Boeing 737-800
→
08/06/2026
1h 22m
No alerts
Replay Analysis
N33209BOEING Boeing 737-800
→
08/05/2026
1h 22m
No alerts
Replay Analysis
N34222BOEING Boeing 737-800
→
08/04/2026
1h 19m
No alerts
Replay Analysis
N34282BOEING Boeing 737-800
→
08/03/2026
1h 28m
No alerts
Replay Analysis
N76514BOEING Boeing 737-800
→
08/02/2026
1h 37m
No alerts
Replay Analysis
N69833BOEING Boeing 737-900
→
07/31/2026
1h 23m
No alerts
Replay Analysis
N36280BOEING Boeing 737-800
→
07/30/2026
1h 14m
No alerts
Replay Analysis
N35204BOEING Boeing 737-800
→
07/29/2026
1h 27m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window