A Gol Linhas Aéreas Boeing 737-800 climbs into dramatic stormy skies, a typical sight over South America's busy air corridors.

SunExpress Boeing 737-800 (TC-SNU) on final approach, showcasing its distinctive split winglets.

Apron stand 101/2

A Boeing 737-800 seen flying overhead, featuring classic blended winglets.

Taxiing at ORD

Coming into the gate at ORD

Push back at ORD

Gate area at ORD

Taxiing at ORD

Taxiing at ORD

An American Airlines Boeing 737-800 in retro AirCal heritage livery at the gate, flanked by standard AA tails at a busy airport terminal.

US-Bangla Airlines Boeing 737-800 S2-AJE on approach, showcasing distinctive split scimitar winglets.

Nok Air Boeing 737-800 HS-DBG wears a vivid green "bird" livery, touching down in Bangkok.

Aeromexico Boeing 737-800 taxiing on a sunny day, a workhorse of the Mexican carrier's short and medium-haul operations.

A busy ramp scene with multiple American Airlines Boeing 737-800s at the gate in Chicago O'Hare, joined by an Aer Lingus A330 and British Airways 787 in the background.

American Airlines Boeing 737-800 in oneworld alliance livery awaits departure at DFW.

Just landed at GSO from DFW

Taking off at GSO.

Southwest Airlines 737-800 in 'Freedom One' special livery climbs overhead, showcasing prominent split scimitar winglets.

TUI Airways Boeing 737-800 (G-TUKF) at the gate, ready for another short- or medium-haul mission.