Airport route guide

Upgrade & Award Space from Kathu (SIS)

Sishen Airport (SIS) is a small station in Kathu, ZA with nonstop service to 1 destination, served by Airlink. Because the schedule is limited, an upgrade or award opening on a Johannesburg flight rarely lasts. 2LNR checks every SIS nonstop for confirmed availability, so a rare opening doesn't go unnoticed.

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

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1
Nonstop destinations
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Confirmed upgrade & award space on every SIS route

2LNR tracks confirmed upgrade and award availability on American, Delta, and Alaska and across 30 airlines, segment by segment, date by date. Pick any Kathu destination below to open a calendar of departures with real availability, or watch a route and get alerted when space opens.

See real availability

Confirmed upgrade and award seats on each SIS route, checked against live inventory so you know what is open before you book.

Set an alert

Premium inventory turns over fast. Watch a Kathu route and 2LNR notifies you when space appears.

Plan on the map

Explore every SIS nonstop on the interactive route map, with connections and route statistics.

All nonstop destinations from Kathu (SIS)

1 nonstop destinations with active service from Sishen Airport. Each route links to its confirmed upgrade and award availability.

Explore SIS routes on the interactive map →

Frequently asked questions about Kathu (SIS)

How many nonstop destinations does Sishen Airport (SIS) serve?
Sishen Airport has active nonstop service to 1 destination. The busiest markets from SIS are Johannesburg. The full list, with live upgrade and award availability for each route, is on this page.
Which airlines fly upgrade-trackable routes from SIS?
Airlink operate the most tracked routes from Kathu. 2LNR covers upgrade and award space on more than 30 airlines, so other carriers serving SIS appear on their routes as well.
How do I check upgrade or award availability from SIS?
Pick any destination on this page, such as Johannesburg, to open a calendar of SIS departures with confirmed upgrade and award space, date by date. You can also set an alert so 2LNR notifies you when space opens on a route you care about.
Does 2LNR track flights from SIS?
Yes. Every active nonstop route from Sishen Airport is tracked, 1 destination in total, and what's shown is confirmed availability rather than a forecast. It's free to start.

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