UAL1581

UNITED AIRLINES INC · SFO → HNL

UAL1581 is operated by UNITED AIRLINES INC 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 4h 21m. SkyMeter has observed 82 legs of this flight number via ADS-B.

✈
FLIGHTS
82
last 90 days
⏱
AVG DURATION
4h 21m
tracked time
📅
SERVICE PERIOD
05/27/2025 → 08/27/2026
first → last seen
🗺
ROUTES / TYPES
9 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

6
KSFO → PHNL
50
avg 5h 21m · San Francisco → Daniel K Inouye
KJAX → KORD
13
avg 2h 17m · Jacksonville → Chicago O'Hare
KHAF → PHNL
5
avg 5h 25m · Half Moon Bay → Daniel K Inouye
KOAK → PHNL
3
avg 5h 20m · Metropolitan Oakland → Daniel K Inouye
US-0188 → PHNL
2
avg 5h 23m · Coast Guard Air Station San Francisco → Daniel K Inouye
FL21 → KORD
1
avg 2h 48m · Berlin Heliport → Chicago O'Hare

Aircraft types

Equipment used on this number

3
B39M BOEING Boeing 737 MAX 9
70
B738 BOEING Boeing 737-800
11
A319 AIRBUS Airbus A319
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 UAL1581

30
N37445BOEING Boeing 737 MAX 9
→
08/27/2026
2h 0m
No alerts
Replay Analysis
N34222BOEING Boeing 737-800
→
08/25/2026
2h 3m
No alerts
Replay Analysis
N77525BOEING Boeing 737-800
→
08/23/2026
2h 10m
No alerts
Replay Analysis
N39297BOEING Boeing 737-800
→
08/22/2026
2h 23m
No alerts
Replay Analysis
N17229BOEING Boeing 737-800
→
08/21/2026
2h 8m
No alerts
Replay Analysis
N14214BOEING Boeing 737-800
→
08/20/2026
2h 20m
No alerts
Replay Analysis
N57451BOEING Boeing 737 MAX 9
→
08/18/2026
2h 28m
No alerts
Replay Analysis
N87527BOEING Boeing 737-800
→
08/17/2026
2h 26m
No alerts
Replay Analysis
N36247BOEING Boeing 737-800
→
08/16/2026
2h 29m
No alerts
Replay Analysis
N37255BOEING Boeing 737-800
→
08/15/2026
5m
No alerts
Replay Analysis
N37255BOEING Boeing 737-800
→
08/15/2026
2h 15m
No alerts
Replay Analysis
N37287BOEING Boeing 737-800
→
08/14/2026
2h 13m
No alerts
Replay Analysis
N37554BOEING Boeing 737 MAX 9
→
08/13/2026
2h 20m
No alerts
Replay Analysis
N850UAAIRBUS Airbus A319
→
08/12/2026
2h 24m
No alerts
Replay Analysis
N37267BOEING Boeing 737-800
→
08/11/2026
2h 48m
No alerts
Replay Analysis
N57466BOEING Boeing 737 MAX 9
→
08/10/2026
5h 20m
No alerts
Replay Analysis
N37537BOEING Boeing 737 MAX 9
→
08/09/2026
25m
No alerts
Replay Analysis
N17410BOEING Boeing 737 MAX 9
→
08/08/2026
5h 15m
No alerts
Replay Analysis
N37534BOEING Boeing 737 MAX 9
→
08/07/2026
5h 31m
No alerts
Replay Analysis
N27586BOEING Boeing 737 MAX 9
→
08/06/2026
5h 22m
No alerts
Replay Analysis
N47434BOEING Boeing 737 MAX 9
→
08/05/2026
5h 30m
No alerts
Replay Analysis
N17454BOEING Boeing 737 MAX 9
→
08/04/2026
5h 33m
No alerts
Replay Analysis
N37527BOEING Boeing 737 MAX 9
→
08/03/2026
5h 19m
No alerts
Replay Analysis
N77581BOEING Boeing 737 MAX 9
→
08/02/2026
5h 17m
No alerts
Replay Analysis
N17593BOEING Boeing 737 MAX 9
→
08/01/2026
58m
No alerts
Replay Analysis
N17459BOEING Boeing 737 MAX 9
→
07/31/2026
5h 23m
No alerts
Replay Analysis
N17422BOEING Boeing 737 MAX 9
→
07/30/2026
6h 7m
No alerts
Replay Analysis
N17437BOEING Boeing 737 MAX 9
→
07/29/2026
5h 35m
No alerts
Replay Analysis
N27526BOEING Boeing 737 MAX 9
→
07/28/2026
5h 44m
No alerts
Replay Analysis
N17438BOEING Boeing 737 MAX 9
→
07/27/2026
5h 25m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window