A United Airlines Boeing 787-9 Dreamliner in the new blue livery, at the gate boarding passengers for an international journey.

Volaris Airbus A321neo XA-VUA taxiing under stormy skies, featuring signature purple engines and sharklets.

United Airlines Boeing 737-900ER N17403 taxiing at Chicago O'Hare International Airport with distinctive split scimitar winglets in the Evo Blue livery.

A Southwest Airlines Boeing 737 takes flight against a clear blue sky, sporting the airline's colorful standard livery and iconic blended winglets.

United Airlines Boeing 737-900ER awaits departure at gate A14, showing the modern globe livery and signature split scimitar winglets.

Delta Air Lines Airbus A321-211 (N375DN) taxiing on the ramp with iconic sharklet winglets in view.

United Airlines Boeing 737-800 (N34217) taxiing at the airport, viewed past distinctive split scimitar winglets.

United Airlines Boeing 737-800 (N27213) taxiing at San Francisco International, sporting the globe livery with blended winglets.

CAL FIRE Tanker 121 (Lockheed C-130 Hercules, N469DA) rests at base, ready for aerial firefighting missions.

RIP Spirt Airlines. Wishing best of luck to all the Spirit crews affected by this.

United Express Bombardier CRJ200 (N944SW) at the gate, readying for another regional flight.

A United Express Embraer 175 (N283SY) taxiing at the gate, wearing United's globe livery, a common sight in US regional operations.

United Express Embraer 175 (N138SY) at the gate, framed by airport operations at a busy terminal.

United Express Embraer 175 (N87380) at the gate in new globe livery, readying for another short-haul US domestic mission.

A United Airlines Boeing 737 MAX 8 (N27251) taxis at the terminal, with the aircraft's signature split scimitar winglets visible.

United Airlines Airbus A320-232 (N491UA) parked at a busy gate, sporting the airline's latest blue globe livery, with ground crew and vehicles preparing the aircraft for its next flight.

Air Canada Boeing 737 MAX 8 at the gate, featuring the airline's striking new black tail livery.

Frontier Airlines Airbus A320-214 in signature animal tail livery taxiing at a major US airport under dramatic skies.

United Airlines Airbus A320-200 rotates off the runway in the carrier's current blue globe livery.

ZIPAIR Boeing 787-8 Dreamliner taxiing at San Francisco International Airport, showcasing the airline's minimalist livery and the Dreamliner's iconic raked wingtips.