Travel Service Airlines (Prague Václav Havel) has begun operating three B737-800s it wet-leased from India's SpiceJet (SG, Delhi International) under its Smartwings (Prague Václav Havel) brand. Smartwings is the brand used by Travel Service Airlines for its direct sales to consumers. The lease is planned to last for the duration of summer. The European peak season for leisure carriers is during India's low season making this arrangement possible.