American Airlines reign, fewer vacancies at Dallas ISD: Your Thursday evening roundup

American's five-year reign as the world's largest airline may be coming to an end.  [Evening roundup]( 07/25/2019 By Wayne Carter Good Evening! Here is a look at the top headlines of the day. 🔎 Prefer the online view? It's [here.]( Delta's new Airbus A220-100 airplane attracts attention while parked at gate E15 of Terminal E at DFW Airport on Feb. 6, 2019. Delta Airlines has surpassed Fort Worth-based American Airlines in the ranking of the world's biggest air carriers. (Smiley N. Pool/The Dallas Morning News) BUSINESS [American Airlines reign as the world's largest airline may be ending]( [American's five-year reign as the world's largest airline may be coming to an end.]( By two major measures, Fort Worth-based American Airlines fell behind either Delta Air Lines or United Airlines in the rankings of the world's biggest air carriers during the second quarter. Atlanta-based Delta brought in about $530 million more in revenue than American did between April and June. And measuring available seat miles, American fell to third behind Chicago-based United and Delta. American's step down from the top comes as it announced its second-quarter earnings Thursday, the last of the major carriers to report financial results. It's also been a tough period for American's growth with the grounding of its fleet of 24 Boeing 737 Max jets through at least Nov. 2. Real estate: More D-FW residents are becoming renters [as the homeownership rate declines.]( Also: Southwest Airlines concedes that [the 737 Max planes won't be ready for the holidays]( and asks Boeing to pay for losses. ADVERTISEMENT EDUCATION [Dallas ISD sees fewer teacher vacancies, less principal turnover as new school year approaches]( Dallas ISD should start the school year [with nearly all of its campus staff in place.]( In a meeting with The Dallas Morning News editorial board, Dallas ISD superintendent Michael Hinojosa said that the district had filled all but one principal position for its 226 campuses, and had only 250 teacher vacancies to fill in the final month before the start of the 2019-20 school year. "We’re feeling pretty good about that," he said. At this point last year, Dallas ISD had around 600 vacancies, Hinojosa said. DISD, the state’s second-largest school district with over 10,000 teachers and 153,000 students, starts new teacher orientation next week.   Editorial: Parkland Hospital is offering a tax rate cut — [something unheard of in years.](  COWBOYS TRAINING CAMP [Start the clock on a potential holdout: Ezekiel Elliott isn't on the Cowboys' plane]( to Oxnard The Dallas Cowboys departed DFW International Airport Thursday afternoon [without one big member of the team: running back Ezekiel Elliott.]( Elliott has until Friday morning to report before the team can begin to fine him up to $40,000 for each day missed, according to the current Collective Bargaining Agreement. Cowboys coach Jason Garrett said Wednesday he expects star running back Ezekiel Elliott to report on time for training camp. The Cowboys are left for Oxnard, Calif., Thursday afternoon with an estimated arrival time of 4 p.m. Pacific Daylight Time. Rumors recently surfaced that Elliott is considering holding out because he seeks a new contract, but Garrett said that's not the case.  Off to Oxnard: Calvin Watkins rejoins SportsDay just in time for Cowboys training camp, and [here are five things he'll be keeping a close eye on.](   Film room: Which Cowboys wide receiver [benefits most from the departure of Allen Hurns?](  ADVERTISEMENT (Nan Coulter/Special Contributor) PHOTO OF THE DAY María Teresa García Pedroche's 2019 mixed-media mosaic Luz, Mi Madre/Light, My Mother is among the works on display in "Diez Latinas: One Common Thread," a new exhibition at the Latino Cultural Center in Dallas presents a diverse sampling of art with a decidedly feminine bent. Contributing critic Darryl Ratcliff says [the feminine form emerges again and again as an abstract symbol in both paintings and sculptures]( and many of the pieces revel in a ritual of work and craft that reveals the hand of the artists. Welcome to Dallas-Fort Worth, where smoked meat is a way of life. 🍖From sausage to ribs to the ever-important beef brisket, we want to know which BBQ joint is the best in D-FW and it's up to you to decide. Click the button below to cast your vote! Just so you know - one BBQ joint won't be the only winner -- when you vote, you'll automatically be signed up for a chance to score a prize to the winning BBQ joint. [SHOW ME THE BBQ LIST]( EDITORS' PICKS - Crime and courts: A man who kidnapped, raped and robbed a UT-Arlington student at gunpoint [has been sentenced to 60 years in prison.]( - Recipes for success? The Dallas couple that co-owns Sugar Daddy's Cakery [will be on the Netflix show]( Rush]( when the second season premieres on July 26. - Commentary: America is experiencing [a shocking decline in civic friendship]( the amity and trust across various types of divisions that's necessary for a society to flourish, writes Thomas S. Hibbs. FINALLY... [Wastewater injection can make faults twice as likely to fail, quake study says]( When earthquakes first jolted Dallas-Fort Worth residents in the fall of 2008, academic researchers knew little about the dense network of faults that run through our region. Now, two newly published studies offer the most complete picture yet of the fissures beneath North Texas and the thousands of small earthquakes they have hosted. The new research also shows that wastewater injection from oil and gas operations makes faults much more likely to slip. When scientists modeled fault behavior before and after wastewater disposal, [they found that disposal pressures could double the chance of earthquakes.]( The findings solidify the conclusion that North Texas quakes have been triggered by humans and not by Mother Nature. They found that short segments of a majority of these faults can rupture if they’re affected by pressure changes from the disposal of wastewater into deep wells. "That leads us to the conclusion that most of the faults in the entire area are sensitive," said Peter Hennings, the paper’s lead author and a research scientist at UT-Austin’s Bureau of Economic Geology. North Texas sits atop one of the world’s richest deposits of natural gas. Since the early 2000s, operators have used hydraulic fracturing to tap into the Barnett Shale and free the natural gas from surrounding rock. 👋 That's all for this afternoon! For up-to-the-minute news and analysis, check out [DallasNews.com](. Share the love! If you like this newsletter, please forward this email to a friend and [check out our other newsletters here](. Do you have feedback? Send your thoughts, questions, praise and corrections to [newsletter-feedback@dallasnews.com](mailto:newsletter-feedback@dallasnews.com?subject=). 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