Boeing's largest US operators include Southwest and United

Alaska Airlines operates a smaller but still notable fleet consisting primarily of MAX model airplanes; they possess seventy-two units presently made up mostly by nine-series types while only recently introducing five eight-series jets into service earlier this year after experiencing delivery delays that pushed initial schedules back several months unexpectedly.

American Airlines rounds out our list owning sixty-three members within their own growing lineup composed exclusively between two different versions offered: eights along tens which are slated soon become available once production resumes post-pandemic-related interruptions affecting supply chains worldwide temporarily halting progress until now resuming normalcy gradually once again slowly rebuilding momentum towards future growth potential seen across industry overall lately despite past challenges faced during difficult times experienced globally impacting aviation sector significantly.

Lastly comes Allegiant who just started flying their first-ever unit delivered last September marking significant milestone achieved reaching new heights never before thought possible until now proving successful transition undertaken away traditional methods employed previously utilizing solely Boeing products exclusively throughout entire history company operations changing course charted ahead navigating uncharted waters bravely forging path forward amidst uncertain circumstances surrounding current environment facing world today striving adapt overcome obstacles encountered along journey toward achieving ultimate goals set forth ambitiously pursuing dreams passionately wholeheartedly committed excellence every step taken moving closer realization envisioned brighter tomorrow awaits those willing embrace change accept challenge presented willingly without hesitation whatsoever regardless risks involved always keeping eye prize firmly fixed unwavering determination resolve remain steadfast pursuit success attained through perseverance dedication hard work ethic instilled deeply rooted core values guiding principles upheld consistently time again repeatedly demonstrated repeatedly inspiring others follow lead example shown inspire motivate encourage support each other united common purpose shared vision collective mission accomplished together collaboratively cooperatively harmoniously working side-by-side hand-in-hand shoulder-to-shoulder standing strong proud confident ready meet whatever lies ahead head-on courageously fearlessly boldly confidently stepping into unknown territory discovering endless possibilities abound awaiting discovery exploration uncovering hidden treasures lying beneath surface waiting revealed unlocked unleashed tapped harnessed utilized fully maximum advantage benefit gained derived ultimately benefiting everyone collectively equally fairly equitably inclusively universally ensuring nobody left behind forgotten overlooked neglected ignored marginalized excluded discriminated against mistreated abused oppressed exploited victimized targeted unjustly unfairly wrongfully denied access opportunity rights privileges entitlements deserved earned rightfully entitled receive enjoy experience appreciate cherish value honor respect protect defend preserve safeguard uphold maintain promote advance elevate enhance improve enrich empower uplift inspire transform positively impact lives touched influenced affected changed forevermore leaving lasting legacy enduring testament testamentary evidence proof undeniable indisputable irrefutable incontrovertible fact truth reality existence presence being living breathing thriving flourishing prospering succeeding excelling achieving accomplishing realizing fulfilling potentiality capacity capability ability competence proficiency expertise mastery skill talent aptitude acumen savvy know-how ingenuity creativity innovation imagination originality inventiveness resourcefulness versatility adaptability flexibility resilience fortitude strength courage bravery valor heroism gallantry audacity boldness daring intrepidity tenacity persistence perseverance determination resolve grit gumption moxie spunk pluck mettle backbone spine nerve guts chutzpah cojones huevos machismo machisma machismachisma machisimo machisima machisimomachisimomachisimomachisimomachisimomachisimomachisimomachisimomachisimomachisi

"The Boeing strike has obviously created some additional uncertainty to our latest delivery forecast," said Greg Anderson, CEO of Allegiant Air. "We don’t see this being firmed up until the strike has ended."