Flight UA 1721: San Francisco → Kona
United Airlines4 October 2026DepartedUpdated 52 min ago, official airport data
Flight UA 1721, 4 October 2026
All flights San Francisco → KonaIn flight
An estimate from the times on the boards, not the aircraft's position.
Flight time: 5 h 33 min
Data from the official airport boards. Times are local to each airport.
Follow flight UA 1721, 4 October 2026
We will message you when the status, time, terminal, check-in desk or gate changes on the airport board, exactly as the board shows it. Every message has a Stop button or link.
- Flight time
- 5 h 33 min
- Distance
- ≈ 3,808 km
- Days of the week
Punctuality of flight UA 1721
The last 60 days of boards hold fewer than 5 finished flights with a known departure time: too few to count punctuality.
Flight UA 1721: schedule and upcoming dates
- Days it flew in the last 60 days
- Usual departure time
- 08:10
- Usual arrival time
- 10:43
Dates already on the boards
- Sun 4 OctDeparture 08:10, Arrival 10:43Departed
Route of flight UA 1721
Departure airport: San Francisco (SFO). Arrival airport: Kona (KOA). Scheduled flight time: about 5 h 33 min. Distance between the airports: about 3,808 km in a straight line.
See also
Questions about flight UA 1721
Is flight UA 1721 on time today?
For 4 October 2026 the airport board shows flight UA 1721 as “Departed”. Departure: San Francisco, 08:44. Arrival: Kona, 10:53.
Which terminal and gate does flight UA 1721 use?
San Francisco (SFO): Terminal 3, Gate E10. Gates are announced shortly before boarding and can change: check the screens at the airport.
How often is flight UA 1721 delayed?
The last 60 days of boards hold fewer than 5 finished flights with a known departure time: too few to count punctuality.
How long does flight UA 1721 take?
About 5 h 33 min by the schedule. The airports are 3808 km apart.
On which days does flight UA 1721 operate?
In the last 60 days it was on the boards on: Sunday.
How can I get notified when flight UA 1721 changes?
Use the notifications block at the top of this page: Telegram or e-mail. We will message you when the status, time, terminal, check-in desk or gate changes on the airport board, exactly as the board shows it. Every message has a Stop button or link.