Flight Status & Tracker

UAL1721

UNITED AIRLINES INC · SFO → KOA · Last tracked Nov 11, 2026

UAL1721 is a flight number operated by UNITED AIRLINES INC between San Francisco International Airport (KSFO) and Ellison Onizuka Kona International Airport at Keahole (PHKO). SkyMeter last tracked UAL1721 on November 11, 2026. The flight is most often flown by a BOEING Boeing 737 MAX 9. Typical block time is 2h 27m. SkyMeter has observed 81 legs of this flight number via ADS-B.

SkyMeter tracks historical flight activity from ADS-B data — this is not a live gate-to-gate status feed.

✈
FLIGHTS
81
last 90 days
⏱
AVG DURATION
2h 27m
tracked time
📅
SERVICE PERIOD
5/27/2025 → 11/11/2026
first → last seen
🗺
ROUTES / TYPES
4 / 3
city pairs · airframes
⚠
INCIDENT RATE
0.0%
0 flagged

Routes flown

By count · last 90 days

1
KSFO → PHKO
1
avg 5h 15m · San Francisco → Ellison Onizuka Kona International Airport at Keahole

Aircraft types

Equipment used on this number

3
B39M BOEING Boeing 737 MAX 9
59
B753 BOEING Boeing 757-300
20
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 UAL1721

30
N77572BOEING Boeing 737 MAX 9
→
11/11/2026
1h 4m
No alerts
Replay Analysis
N37548BOEING Boeing 737 MAX 9
→
11/10/2026
58m
No alerts
Replay Analysis
N37548BOEING Boeing 737 MAX 9
→
11/9/2026
1h 5m
No alerts
Replay Analysis
N37548BOEING Boeing 737 MAX 9
→
11/8/2026
5h 5m
No alerts
Replay Analysis
N77585BOEING Boeing 737 MAX 9
→
11/7/2026
1h 6m
No alerts
Replay Analysis
N17595BOEING Boeing 737 MAX 9
→
11/6/2026
1h 8m
No alerts
Replay Analysis
N77584BOEING Boeing 737 MAX 9
→
11/5/2026
4h 39m
No alerts
Replay Analysis
N77581BOEING Boeing 737 MAX 9
→
11/4/2026
6h 53m
No alerts
Replay Analysis
N37532BOEING Boeing 737 MAX 9
→
11/3/2026
5h 13m
No alerts
Replay Analysis
N37469BOEING Boeing 737 MAX 9
→
11/2/2026
52m
No alerts
Replay Analysis
N27404BOEING Boeing 737 MAX 9
→
11/1/2026
54m
No alerts
Replay Analysis
N27404BOEING Boeing 737 MAX 9
→
10/31/2026
5h 3m
No alerts
Replay Analysis
N17425BOEING Boeing 737 MAX 9
→
10/30/2026
4h 58m
No alerts
Replay Analysis
N17452BOEING Boeing 737 MAX 9
→
10/29/2026
5h 8m
No alerts
Replay Analysis
N17460BOEING Boeing 737 MAX 9
→
10/28/2026
5h 43m
No alerts
Replay Analysis
N17564BOEING Boeing 737 MAX 9
→
10/27/2026
54m
No alerts
Replay Analysis
N37536BOEING Boeing 737 MAX 8
→
10/26/2026
1h 0m
No alerts
Replay Analysis
N77471BOEING Boeing 737 MAX 9
→
10/25/2026
1h 23m
No alerts
Replay Analysis
N17482
→
10/24/2026
55m
No alerts
Replay Analysis
N17428BOEING Boeing 737 MAX 9
→
10/23/2026
4h 51m
No alerts
Replay Analysis
N47505BOEING Boeing 737 MAX 9
→
10/21/2026
1h 5m
No alerts
Replay Analysis
N37555BOEING Boeing 737 MAX 9
→
10/20/2026
4h 38m
No alerts
Replay Analysis
N17443BOEING Boeing 737 MAX 9
→
10/19/2026
1h 7m
No alerts
Replay Analysis
N47517BOEING Boeing 737 MAX 9
→
10/18/2026
48m
No alerts
Replay Analysis
N77575BOEING Boeing 737 MAX 9
→
10/17/2026
7h 14m
No alerts
Replay Analysis
N47412BOEING Boeing 737 MAX 9
→
10/16/2026
52m
No alerts
Replay Analysis
N47434BOEING Boeing 737 MAX 9
→
10/15/2026
50m
No alerts
Replay Analysis
N17593BOEING Boeing 737 MAX 9
→
10/14/2026
1h 31m
No alerts
Replay Analysis
N17411BOEING Boeing 737 MAX 9
→
10/13/2026
45m
No alerts
Replay Analysis
N17448BOEING Boeing 737 MAX 9
→
10/12/2026
4h 59m
No alerts
Replay Analysis
© SkyMeter · All flight data subject to ODbL attribution · Tracked: 90-day window