The affected flights include TK 1668, TK 1664, TK 1662, TK 7882, TK 7883, TK 1726, TK 1724, TK 1722, TK 1728, TK 7729, TK 1337, and TK 1338.

Turkish Airlines urges passengers booked on these flights to check the current status of their journeys on the airline's website or by contacting their call center. The airline is likely to offer rebooking options on alternative flights or provide assistance with refunds.

The strike action by airport personnel is expected to cause significant disruptions at German airports throughout Thursday. It is unclear how long the strike will last, and further cancellations or delays are possible. (ILKHA)