Routes That Offer Maximum Chances for a Free Mileage Award Seat

[["<strong>Airline<\/strong>","<strong>Region<\/strong>","<strong>Route<\/strong>","<strong>Class<\/strong>","<strong>Departure Availability<\/strong>","#colspan#","<strong>Return Availability<\/strong>","#colspan#"],["#rowspan#","#rowspan#","#rowspan#","#rowspan#","<strong>Favorable Odds<\/strong>","<strong>50-50<\/strong>","<strong>Favorable Odds<\/strong>","<strong>50-50<\/strong>"],["American","Asia","Chicago - Beijing","Business","","Nov.","","Nov."],["#rowspan#","#rowspan#","Chicago - Shanghai","First","","Aug. to Nov.","","Aug. to Nov."],["#rowspan#","#rowspan#","Chicago - Tokyo","First","","March, Sept., Oct., Nov.","","March, Sept., Oct., Nov."],["#rowspan#","#rowspan#","Dallas - Tokyo","First","","July, Aug., Oct., Nov.","","July, Aug., Oct., Nov."],["#rowspan#","#rowspan#","Los Angeles - Shanghai","First","","March, Aug. to Nov.","","March, Aug. to Nov."],["#rowspan#","#rowspan#","Los Angeles - Tokyo","First","","July to Nov.","","July to Nov."],["#rowspan#","#rowspan#","New York - Tokyo","First","","June to Nov.","","June to Nov."],["#rowspan#","#rowspan#","","Business","","Sept. to Dec.","","Sept. to Dec."],["#rowspan#","Europe","Chicago - London","Business","Oct., Nov.","","Oct., Nov.",""],["#rowspan#","#rowspan#","Miami - London","Business","Nov.","Oct.","Nov.","Oct."],["#rowspan#","#rowspan#","New York - London","Business","Oct., Nov.","Sept.","Oct., Nov.","Sept."],["#rowspan#","Hawaii","Chicago - Honolulu","First","","Sept. to Dec.","","Sept. to Dec."],["#rowspan#","#rowspan#","Los Angeles - Honolulu","First","Oct.","Sept., Nov., Dec.","Oct.","Sept., Nov., Dec."],["#rowspan#","South America","Miami - Buenos Aires","First","June, Aug., Sept.","Feb., March, May, July, Oct., Nov.","June, Aug., Sept.","Feb., March, May, July, Oct., Nov."],["#rowspan#","#rowspan#","Miami - Sao Paulo","First","","Aug. to Nov.","","Aug. to Nov."],["#rowspan#","#rowspan#","New York - Buenos Aires","First","","June to Nov.","","June to Nov."],["Delta","Europe","Detroit - Frankfurt","Business","","March, April","",""],["#rowspan#","#rowspan#","New York - Frankfurt","Business","Aug.","March, July, Sept., to Nov.","Aug.","March, July, Sept., to Nov."],["#rowspan#","#rowspan#","New York - Madrid","Business","Aug.","April, July, Oct., Nov.","Aug.","April, July, Oct., Nov."],["#rowspan#","#rowspan#","New York - Paris","Business","","Nov.","","Nov."],["United (Continental*)","Asia","Chicago - Hong Kong","First","","Aug., Sept., Nov.","",""],["#rowspan#","#rowspan#","Los Angeles - Tokyo","Business","","April","",""],["#rowspan#","#rowspan#","San Francisco - Seoul","Business","July, Aug.","March to June, Sept. to Nov.","","March to June, Sept. to Nov."],["#rowspan#","#rowspan#","San Francisco - Shanghai","First","July, Aug.","April to June, Sept., Oct.","July, Aug.","April to June, Sept., Oct."],["#rowspan#","Europe","Chicago - Brussels","First","Nov.","","Nov",""],["#rowspan#","#rowspan#","Chicago - London","First","Nov.","Oct., Dec.","Nov","Oct., Dec."],["#rowspan#","#rowspan#","Los Angeles - London","First","Nov.","","Nov",""],["#rowspan#","#rowspan#","San Francisco - Frankfurt","First","Nov.","Dec.","Nov","Dec."],["#rowspan#","#rowspan#","San Francisco - London","First","Nov.","Dec.","Nov","Dec."],["#rowspan#","#rowspan#","Washington, DC - London","First","Oct., Nov.","March, April, Aug., Sept., Dec.","Oct., Nov.","March, April, Aug., Sept., Dec."],["#rowspan#","Hawaii","Chicago - Honolulu","First","June, Aug., Sept., Nov.","May, July, Dec.","Sept., Oct.","May, Nov."],["#rowspan#","#rowspan#","Denver - Honolulu","First","","April","","April"],["#rowspan#","#rowspan#","Los Angeles - Honolulu","First","Aug., Nov.","March to June, Sept., Dec.","May to Nov.","April, Dec."],["#rowspan#","#rowspan#","San Francscio - Honolulu","First","","March, Nov., Dec.","","April, May, Nov., Dec."]]

[["<strong>Airline<\/strong>","<strong>Region<\/strong>","<strong>Route<\/strong>","<strong>Class<\/strong>","<strong>Departure Availability<\/strong>","#colspan#","<strong>Return Availability<\/strong>","#colspan#"],["#rowspan#","#rowspan#","#rowspan#","#rowspan#","<strong>Favorable Odds<\/strong>","<strong>50-50<\/strong>","<strong>Favorable Odds<\/strong>","<strong>50-50<\/strong>"],["United (Continental*)","South America","Chicago - Sao Paulo","First","","June to Nov.","","June to Nov."],["#rowspan#","#rowspan#","#rowspan#","Business","","June to Nov.","","June to Nov."],["#rowspan#","#rowspan#","Washington, DC - Sao Paulo","First","","June to Nov.","","June to Nov."],["#rowspan#","#rowspan#","#rowspan#","Business","","May to Nov.","","May to Nov."],["US Airways","Caribbean","Charlotte - Aruba","First","","Aug.","","Aug."],["#rowspan#","#rowspan#","Philadelphia - San Juan, PR","First","Aug. to Nov.","May, April","Sept. to Nov.","April, May, Aug."],["#rowspan#","Central America","Charlotte - San Jose, CR","First","Aug.","","","Aug."],["#rowspan#","Hawaii","Phoenix - Honolulu","First","","April, May","","April, May"],["#rowspan#","#rowspan#","Phoenix - Kona","First","Aug. to Nov.","April, May","Sept. to Nov.","April, May"],["#rowspan#","#rowspan#","Phoenix - Lihue","First","","","",""],["#rowspan#","#rowspan#","Phoenix - Maui","First","","","",""],["#rowspan#","Europe","Charlotte - Paris","Business","","Nov.","","Nov."],["<strong>Difinition of Odds<\/strong>","#colspan#","#colspan#","#colspan#","#colspan#","#colspan#","#colspan#","#colspan#"],["<strong>Favorable Odds:<\/strong> <em>Award space available<\/em><strong> for two passengers traveling together about 75% <\/strong><em>during time period indicated.<\/em>","#colspan#","#colspan#","#colspan#","#colspan#","#colspan#","#colspan#","#colspan#"],["<strong>50-50:<\/strong><em> Award space available<\/em> <strong>for two persons traveling together about 50%<\/strong><em> during time period indicated. Worth pursuing if you're just a little flexible.<\/em>","#colspan#","#colspan#","#colspan#","#colspan#","#colspan#","#colspan#","#colspan#"]]

<small><em>*Continental OnePass members link your mileage account to United.</em></small>