Travel ban a `massive success`, Trump official says, as protests continue ? live Read morePresident Donald Trump on Friday suspended the entry of people from Iran, Iraq, Libya, Somalia, Sudan, Syria and Yemen. Both carriers said they would continue to comply with the new rules on US immigration but where possible would offer to refund or rebook affected passengers. Emirates airline has changed pilot and flight attendant rosters on flights to the United States following the sudden US travel ban on seven Muslim-majority countries, highlighting the challenges facing airlines trying to deal with the new rules. Mo Farah calls Trump`s travel ban `ignorant and prejudiced` Read moreBaublies said airlines were usually among the first affected by global crises. Emirates and Etihad have also said that passengers were affected by the ban over the weekend but their flight crews had not been impacted.

Delta Air Lines grounded its domestic fleet Sunday night due to a "systems outage" that was causing departure delays, the airline said. Delta teams are working to fix a systems outage that has resulted in departure delays. *RD ? Delta (@Delta) January 30, 2017Jeremy Webb told NBC News his flight from Los Angeles International Airport to Maui, Hawaii, was held on the tarmac for an hour and a half. ? Delta (@Delta) January 30, 2017Delta said in a tweet that the outage was preventing customers from logging into their accounts with the airline. International flights and flights in the air Sunday night were not affected by the stoppage, the airline said in a statement at 8 p.m.