UAL2040

UNITED AIRLINES INC · BOS → ORD

UAL2040 is operated by UNITED AIRLINES INC between General Edward Lawrence Logan International Airport (KBOS) and Chicago O'Hare International Airport (KORD). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 10m. SkyMeter has observed 108 legs of this flight number via ADS-B.

✈
FLIGHTS
108
last 90 days
⏱
AVG DURATION
2h 10m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 8/18/2026
first → last seen
🗺
ROUTES / TYPES
8 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

5
KBOS → KORD
73
avg 2h 34m · General Edward Lawrence Logan → Chicago O'Hare
40IS → KORD
3
avg 17m · Children's Memorial Hospital Heliport → Chicago O'Hare
KORD → KSFO
3
avg 4h 16m · Chicago O'Hare → San Francisco
KSAN → KEWR
1
avg 5h 21m · San Diego → Newark Liberty
US-0568 → KORD
1
avg 2h 14m · Tailwind Boston Seaplane Base → Chicago O'Hare

Aircraft types

Equipment used on this number

3
B39M BOEING Boeing 737 MAX 9
126
B739 BOEING Boeing 737-900
15
B38M BOEING Boeing 737 MAX 8
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 UAL2040

30
N37537BOEING Boeing 737 MAX 9
→
8/18/2026
2h 28m
No alerts
Replay Analysis
N37445BOEING Boeing 737 MAX 9
→
8/17/2026
2h 26m
No alerts
Replay Analysis
N77573BOEING Boeing 737 MAX 9
→
8/17/2026
2h 37m
No alerts
Replay Analysis
N47570BOEING Boeing 737 MAX 9
→
8/16/2026
4h 14m
No alerts
Replay Analysis
N17425BOEING Boeing 737 MAX 9
→
8/16/2026
9m
No alerts
Replay Analysis
N17425BOEING Boeing 737 MAX 9
→
8/16/2026
17m
No alerts
Replay Analysis
N17425BOEING Boeing 737 MAX 9
→
8/15/2026
1h 49m
No alerts
Replay Analysis
N17425BOEING Boeing 737 MAX 9
→
8/15/2026
2h 7m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
8/15/2026
4h 17m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
8/15/2026
27m
No alerts
Replay Analysis
N97424BOEING Boeing 737 MAX 9
→
8/14/2026
2h 45m
No alerts
Replay Analysis
N27509BOEING Boeing 737 MAX 9
→
8/14/2026
4h 18m
No alerts
Replay Analysis
N27509BOEING Boeing 737 MAX 9
→
8/14/2026
15m
No alerts
Replay Analysis
N47570BOEING Boeing 737 MAX 9
→
8/14/2026
9m
No alerts
Replay Analysis
N47570BOEING Boeing 737 MAX 9
→
8/13/2026
2h 44m
No alerts
Replay Analysis
N17438BOEING Boeing 737 MAX 9
→
8/11/2026
5h 21m
No alerts
Replay Analysis
N17574BOEING Boeing 737 MAX 9
→
8/11/2026
38m
No alerts
Replay Analysis
N17574BOEING Boeing 737 MAX 9
→
8/10/2026
2h 24m
No alerts
Replay Analysis
N17574BOEING Boeing 737 MAX 9
→
8/10/2026
1h 46m
No alerts
Replay Analysis
N77426BOEING Boeing 737 MAX 9
→
8/10/2026
7m
No alerts
Replay Analysis
N77426BOEING Boeing 737 MAX 9
→
8/10/2026
2h 18m
No alerts
Replay Analysis
N17417BOEING Boeing 737 MAX 9
→
8/9/2026
49m
No alerts
Replay Analysis
N17417BOEING Boeing 737 MAX 9
→
8/8/2026
2h 54m
No alerts
Replay Analysis
N17417BOEING Boeing 737 MAX 9
→
8/8/2026
2h 4m
No alerts
Replay Analysis
N37542BOEING Boeing 737 MAX 9
→
8/8/2026
30m
No alerts
Replay Analysis
N37542BOEING Boeing 737 MAX 9
→
8/7/2026
2h 45m
No alerts
Replay Analysis
N57466BOEING Boeing 737 MAX 9
→
8/6/2026
7m
No alerts
Replay Analysis
N57466BOEING Boeing 737 MAX 9
→
8/6/2026
2h 27m
No alerts
Replay Analysis
N37534BOEING Boeing 737 MAX 9
→
8/6/2026
16m
No alerts
Replay Analysis
N37534BOEING Boeing 737 MAX 9
→
8/5/2026
2h 48m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window