Annual Report - RAA

Corporate Groupings of Top 50 Regional Carriers(as of December 2007)2007 IndividualCarrier Rank2007 CarrierGroup RankCarriersPrimary CodesShared in 20072007 PassengersEnplaned2007 EnplanedCarrier Group1 SkyWest Airlines 34,065,9291 - SkyWest Airlines DL/UA/YX 22,047,2935 - Atlantic Southeast DL 12,018,6362 American Eagle 21,220,1992 - American Eagle AA 18,519,21516 - Executive Airlines AA 2,700,9843 3 ExpressJet Airlines CO/DL 17,242,8184 Republic Holdings 16,286,9958 - Chautauqua Airlines AA/CO/DL/UA/US 7,799,79612 - Republic Airlines F9/US 4,508,31913 - Shuttle America DL 3,978,8805 Mesa Airlines 16,007,6644 - Mesa Airlines UA/US 13,013,60317 - Freedom Airlines DL 2,673,90928 - Air Midwest US/YV 320,1526 Pinnacle Airlines 11,521,6416 - Pinnacle Airlines NW 9,965,06719 - Colgan Air CO/UA/US 1,556,5747 7 Comair DL 9,320,6848 US Airways Group 8,185,28711 - PSA Airlines US 4,994,47915 - Piedmont Airlines US 3,190,8089 9 Horizon Air AS/F9 7,552,14210 10 Air Wisconsin US 5,710,90111 Trans States Airlines 5,262,33514 - Trans States Airlines AA/US 3,729,76520 - GoJet Airlines UA 1,532,57012 Northwest Airlines 2,744,11418 - Mesaba Airlines NW 2,595,33434 - Compass NW 148,78021 13 Gulfstream International CO 914,56522 14 Skyway Airlines YX 835,04023 15 Cape Air CO 669,53824 16 Great Lakes Aviation 578,77325 17 Island Air Hawaii 568,62726 18 Commutair CO 465,50027 19 ERA Aviation 337,00629 20 Peninsula Airways AS 230,84830 21 Big Sky Airlines DL 193,71031 22 Hageland Aviation 182,98232 23 Frontier Flying Service 171,81733 24 Seaborne Aviation 153,05335 25 Eagle Canyon Airlines 137,51936 26 Grant Aviation 115,72637 27 Pacific Wings Airlines 83,67338 28 Bering Air 75,82739 29 PM Air 57,72240 30 Yute Air - Flight Alaska 48,94841 31 Warbelows Air Ventures 38,50842 32 Boston Maine Airways 34,79743 33 Kenmore Air Harbor 34,67844 34 Lynx Aviation F9 31,09145 35 Wright Air 29,16446 36 Wings of Alaska 29,02147 37 Pacific Airways 22,43748 38 LAB Flying Service 20,18549 39 Vintage Props and Jets 20,15050 40 New England Airlines 19,222Total Traffic Activity - Top 50 Airlines 161,220,836Total Traffic Activity 161,391,190Top 50 Airlines as a Percent of Total 99.9%Source: OAG Form41 iNet2007 US Summary StatisticsRAA 2008 Annual Report 17