SundAir (SR, Berlin Brandenburg) has added two wet-leased B737-800s from ACMI providers Enter Air (E4, Warsaw Chopin) and Fly4 Airlines (4F, Dublin International) from October 2026, ch-aviation has learned.

According to ADS-B data, Fly4 Airlines' EI-FFD (msn 40944) was ferried from London Luton to Leipzig/Halle on September 30. It was followed on October 1 by Enter Air's SP-ESE (msn 30688), which was repositioned from Katowice Pyrzowice to Hamburg.

EI-FFD began flying revenue flights on October 1, and SP-ESE followed a day later.

The two operate alongside another wet-leased aircraft, A319-100 9A-BER (msn 3950) of Fly Air41 Airways, which has been on long-term wet lease with SundAir.

In early October, Fly4 Airlines announced on social media that SundAir had tapped it to operate ACMI flights for the second consecutive year.

"Repeat business is one of the strongest endorsements in ACMI, and this renewed partnership reflects the trust built between our teams and the safe, reliable, and flexible operation our people deliver," the Irish ACMI specialist said.

Fly4 is a 51/49 joint venture between Enter Air and TUI Group, meaning both wet-leased aircraft are operated by carriers within the Enter Air group. ch-aviation has contacted SundAir, Fly4 Airlines, and Enter Air for confirmation.