UAL1581 is operated by WILMINGTON TRUST CO TRUSTEE between San Francisco International Airport (KSFO) and Daniel K Inouye International Airport (PHNL). The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 3h 56m. SkyMeter has observed 72 legs of this flight number via ADS-B.

✈
FLIGHTS
72
last 90 days
⏱
AVG DURATION
3h 56m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 07/17/2026
first → last seen
🗺
ROUTES / TYPES
10 / 3
city pairs · airframes
⚠
INCIDENT RATE
1.4%
1 flagged

Routes flown

By count · last 90 days

7
KSFO → PHNL
38
avg 5h 15m · San Francisco → Daniel K Inouye
CYUL → KORD
17
avg 2h 0m · Montreal / Pierre Elliott Trudeau → Chicago O'Hare
KHAF → PHNL
5
avg 5h 22m · Half Moon Bay → Daniel K Inouye
KOAK → PHNL
2
avg 5h 13m · Metropolitan Oakland → Daniel K Inouye
KPSP → KSFO
2
avg 1h 20m · Palm Springs → San Francisco
KDTW → KIAD
1
avg 1h 23m · Detroit Metropolitan Wayne County → Washington Dulles
US-0188 → PHNL
1
avg 5h 28m · Coast Guard Air Station San Francisco → Daniel K Inouye

Aircraft types

Equipment used on this number

3
B39M BOEING Boeing 737 MAX 9
50
B737 BOEING Boeing 737-700
17
B739 BOEING Boeing 737-900
7

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 UAL1581

30
N17422BOEING Boeing 737 MAX 9
→
07/17/2026
5h 20m
No alerts
Replay Analysis
N47517BOEING Boeing 737 MAX 9
→
07/16/2026
5h 11m
No alerts
Replay Analysis
N37525BOEING Boeing 737 MAX 9
→
07/15/2026
5h 22m
No alerts
Replay Analysis
N77580BOEING Boeing 737 MAX 9
→
07/14/2026
5h 28m
No alerts
Replay Analysis
N17458BOEING Boeing 737 MAX 9
→
07/13/2026
5h 10m
No alerts
Replay Analysis
N17435BOEING Boeing 737 MAX 9
→
07/12/2026
5h 8m
No alerts
Replay Analysis
N57409BOEING Boeing 737 MAX 9
→
07/11/2026
5h 36m
No alerts
Replay Analysis
N17418BOEING Boeing 737 MAX 9
→
07/10/2026
5h 15m
No alerts
Replay Analysis
N17557BOEING Boeing 737 MAX 9
→
07/09/2026
5h 31m
No alerts
Replay Analysis
N47453BOEING Boeing 737 MAX 9
→
07/08/2026
5h 28m
No alerts
Replay Analysis
N47453BOEING Boeing 737 MAX 9
→
07/06/2026
5h 12m
No alerts
Replay Analysis
N17566BOEING Boeing 737 MAX 9
→
07/05/2026
5h 29m
No alerts
Replay Analysis
N17407BOEING Boeing 737 MAX 9
→
07/04/2026
5h 55m
No alerts
Replay Analysis
N37449BOEING Boeing 737 MAX 9
→
07/03/2026
22m
No alerts
Replay Analysis
N37536BOEING Boeing 737 MAX 9
→
07/01/2026
5h 15m
No alerts
Replay Analysis
N17591BOEING Boeing 737 MAX 9
→
06/30/2026
5h 22m
No alerts
Replay Analysis
N77581BOEING Boeing 737 MAX 9
→
06/29/2026
5h 22m
No alerts
Replay Analysis
N17448BOEING Boeing 737 MAX 9
→
06/28/2026
5h 23m
No alerts
Replay Analysis
N17454BOEING Boeing 737 MAX 9
→
06/27/2026
26m
No alerts
Replay Analysis
N17456BOEING Boeing 737 MAX 9
→
06/26/2026
5h 6m
No alerts
Replay Analysis
N27520BOEING Boeing 737 MAX 9
→
06/25/2026
5h 14m
No alerts
Replay Analysis
N37440BOEING Boeing 737 MAX 9
→
06/24/2026
5h 24m
No alerts
Replay Analysis
N37440BOEING Boeing 737 MAX 9
→
06/23/2026
5h 13m
No alerts
Replay Analysis
N37534BOEING Boeing 737 MAX 9
→
06/22/2026
5h 28m
No alerts
Replay Analysis
N17422BOEING Boeing 737 MAX 9
→
06/21/2026
5h 19m
No alerts
Replay Analysis
N17422BOEING Boeing 737 MAX 9
→
06/20/2026
5h 17m
No alerts
Replay Analysis
N37516BOEING Boeing 737 MAX 9
→
06/19/2026
5h 27m
No alerts
Replay Analysis
N17437BOEING Boeing 737 MAX 9
→
06/18/2026
5h 35m
No alerts
Replay Analysis
N17454BOEING Boeing 737 MAX 9
→
06/17/2026
5h 15m
No alerts
Replay Analysis
N77544BOEING Boeing 737 MAX 9
→
06/16/2026
4h 53m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window