Route guide

Delfshaven to Kayseri (RTM-ASR): Nonstop Upgrade & Award Space

SunExpress flies nonstop from Delfshaven (RTM) to Kayseri (ASR) just twice a week. With so few departures, each one carries the only premium seats on the route that day. 2LNR tracks confirmed upgrade and award space on all of them, so a rare opening doesn't slip past you.

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

See RTM to ASR on the interactive map Get started free
2
Nonstop flights a week
1,742 mi
Nonstop distance
Free
To get started

Confirmed upgrade & award space on every RTM to ASR 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 Delfshaven to Kayseri 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 RTM to ASR 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 RTM to ASR on the interactive route map, with schedules, connections, and route statistics.

Airlines flying Delfshaven to Kayseri nonstop

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

  • SunExpress
See RTM to ASR on the interactive map →

Frequently asked questions about RTM to ASR

How far is Kayseri from Delfshaven?
RTM to ASR covers about 1,742 miles nonstop. Flight times vary by aircraft and season; each scheduled departure on this page lists its own times.
Which airlines fly nonstop from RTM to ASR?
SunExpress is currently the only airline flying RTM to ASR nonstop. 2LNR tracks confirmed upgrade and award space on every SunExpress departure.
How often does RTM to ASR operate?
The nonstop currently runs twice a week, on SunExpress. Thin schedules like this change by season, and an alert will catch anything added.
How do I check upgrade or award availability on RTM to ASR?
Open the RTM to ASR calendar on this page to see confirmed upgrade and award space by date. You can also set an alert on the Delfshaven to Kayseri route, and 2LNR will notify you when space opens. It's free to start.

Never miss RTM to ASR upgrade or award space

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

Get started free