Route guide

Isimu to Makassar (GTO-UPG): Nonstop Upgrade & Award Space

Lion Air and Garuda Indonesia fly nonstop between Isimu (GTO) and Makassar (UPG), roughly 20 times a week. Because so many carriers compete on this route, premium seats turn over daily, and upgrade or award space can open and close within hours. 2LNR tracks confirmed availability on every GTO to UPG departure, so you know which flights have space before you book.

Data current as of July 21, 2026, refreshed on an ongoing basis as new schedules and seats are confirmed.

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20
Nonstop flights a week
456 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every GTO to UPG departure

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Open the calendar for Isimu to Makassar to see which departures have real space, or watch the route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each GTO to UPG departure, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch this route and 2LNR notifies you when space appears on a date you are tracking.

Plan on the map

See GTO to UPG on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Isimu to Makassar nonstop

Carriers operating GTO to UPG nonstop in the current schedule. 2LNR tracks confirmed upgrade and award space on each of them.

  • Lion Air
  • Garuda Indonesia
See GTO to UPG on the interactive map →

Frequently asked questions about GTO to UPG

How far is Makassar from Isimu?
GTO to UPG covers about 456 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from GTO to UPG?
Lion Air and Garuda Indonesia fly the route nonstop. 2LNR tracks confirmed upgrade and award space on both of them.
How many flights a week are there from GTO to UPG?
About 20 nonstop flights a week run between Isimu and Makassar in the current schedule, operated by Lion Air and Garuda Indonesia. Frequency shifts by season; the calendar on this page reflects what's currently scheduled.
How do I check upgrade or award availability on GTO to UPG?
Open the GTO to UPG calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Isimu to Makassar route, and 2LNR will notify you when space opens. It's free to start.

Never miss GTO to UPG upgrade or award space

Track confirmed availability, set alerts, and book with confidence. Free to start, no credit card required.

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