31. All domestic flights except those to the resort island of Cheju were canceled.
32. All three airlines have been under pressure to slash prices to compete with larger foreign airlines as well as with small Japanese airlines offering cut-rate domestic flights.
33. Business travelers on domestic flights, however, are likely to encounter a different experience from those on international trips.
34. But at Miami International Airport, there were long lines to check in for American domestic flights.
35. But no such system for interviewing domestic flight passengers exists.
36. But on most domestic flights, checked luggage is not X-rayed at all.
37. But the industry is less certain about when this expensive technology will turn up in coach seats on domestic flights.
38. But the United States carriers are planning the equipment for their domestic flights, too.
39. But the United States is not likely to open its domestic market since no nation allows foreign airlines to make such domestic flights.
40. By agreement among airlines, smoking has been banned from all domestic flights less than six hours long since last January.