[["To London From:","First Class (off-peak)","Business Class (off-peak)","Benefit #1:\nSavings Difference in Miles","Benefit #2:\nClass Difference"],["Atlanta","170,000","180,000","10,000","Free Upgrade"],["Boston","136,000","160,000","24,000","Free Upgrade"],["Chicago","160,000","180,000","20,000","Free Upgrade"],["Dallas","170,000","180,000","10,000","Free Upgrade"],["Houston","170,000","180,000","10,000","Free Upgrade"],["Los Angeles","170,000","180,000","10,000","Free Upgrade"],["New York","136,000","160,000","24,000","Free Upgrade"],["Newark","136,000","160,000","24,000","Free Upgrade"],["Philadelphia","136,000","160,000","24,000","Free Upgrade"],["San Francisco","170,000","180,000","10,000","Free Upgrade"],["Seattle","170,000","180,000","10,000","Free Upgrade"],["Vancouver","170,000","180,000","10,000","Free Upgrade"],["Washington, DC","136,000","160,000","24,000","Free Upgrade"]]
<small>*We left Miami out as it had no availability in First Class. One-way mileage is half the cost.</small>
[["Route","Outbound","#colspan#","#colspan#","Return","#colspan#","#colspan#"],["#rowspan#","4 to 8 Days Per Month","9 to 12 Days Per Month","13+ Days Per Month","4 to 8 Days Per Month","9 to 12 Days Per Month","13+ Days Per Month"],["Atlanta","<span style=\"color: #009966;\">March, Nov.</span>","","<span style=\"color: #009966;\">Feb.,</span> <span style=\"color: #6699cc;\">March</span>","","<span style=\"color: #009966;\">March</span>","<span style=\"color: #009966;\">Feb.,</span> <span style=\"color: #6699cc;\">March</span>"],["Boston","<span style=\"color: #009966;\">Jan.</span>","","<span style=\"color: #009966;\">Feb., March</span>","<span style=\"color: #009966;\">Jan.,</span> <span style=\"color: #6699cc;\">May, June, Dec.</span>","","<span style=\"color: #009966;\">Feb., March</span>"],["Chicago","<span style=\"color: #009966;\">Jan., March,</span> April, <span style=\"color: #6699cc;\">July, Aug.,</span> Oct.","","<span style=\"color: #6699cc;\">March, July, Aug.</span>","<span style=\"color: #6699cc;\">Jan., </span><span style=\"color: #009966;\">March,</span> <span style=\"color: #6699cc;\">Aug.,</span> Oct.","<span style=\"color: #6699cc;\">March</span>","March"],["Dallas","<span style=\"color: #6699cc;\">Feb., </span><span style=\"color: #009966;\">Nov., Dec.</span>","","","<span style=\"color: #009966;\">Jan., Feb.,</span> <span style=\"color: #6699cc;\">Nov.,</span> <span style=\"color: #009966;\">Dec.</span>","",""],["Houston","July","","","<span style=\"color: #6699cc;\">Jan.,</span> June","",""],["Los Angeles","<span style=\"color: #6699cc;\">Jan.</span>","","","","",""],["New York","<span style=\"color: #6699cc;\">Jan. to March,</span> <span style=\"color: #009966;\">April,</span> July, Nov., Dec.","Feb., <span fstyle=\"color: #6699cc;\">April</span>","March, April, Aug.","<span style=\"color: #6699cc;\">Jan., April, June,</span> July, Aug., Dec.","Feb., May, June","March, April"],["Newark","<span style=\"color: #6699cc;\">Jan. to March,</span> <span style=\"color: #009966;\">April,</span> July, Aug.,</span> Nov., Dec.","Feb.","March, <span style=\"color: #6699cc;\">April,</span> Aug.","<span style=\"color: #6699cc;\">Jan., Feb.,</span> <span style=\"color: #009966;\">April,</span> July, <span style=\"color: #6699cc;\">Aug.,</span> Nov.","Feb.","March, <span style=\"color: #6699cc;\">April,</span> Aug."],["Philadelphia","<span style=\"color: #009966;\">Jan., July, </span>Aug., Dec.","<span style=\"color: #009966;\">April,</span> July","<span style=\"color: #6699cc;\">Feb., March, </span>April","<span style=\"color: #6699cc;\">Jan., </span>Aug.","<span style=\"color: #009966;\">Feb., April</span>","<span style=\"color: #6699cc;\">Feb., </span><span style=\"color: #009966;\">March,</span> <span style=\"color: #6699cc;\">April</span>"],["San Jose*","<span style=\"color: #6699cc;\">Jan. to March</span>","March","","Jan., March","Feb.",""],["Seattle","March","","","April, Sept.","March",""],["Washington, DC","<span style=\"color: #009966;\">Jan.,</span> <span style=\"color: #6699cc;\">March,</span> Sept., <span style=\"color: #6699cc;\">Oct. to Dec.</span>","March, <span style=\"color: #6699cc;\">April to June,</span> <span style=\"color: #009966;\">July,</span> Oct., Nov.","<span style=\"color: #009966;\">Feb.,</span> April to June, <span style=\"color: #6699cc;\">July,</span> <span style=\"color: #009966;\">Aug.</span>","<span style=\"color: #6699cc;\">March,</span> <span style=\"color: #009966;\">April,</span> Sept., Oct., <span style=\"color: #6699cc;\">Nov.</span>","<span style=\"color: #009966;\">June,</span> July, <span style=\"color: #6699cc;\">Aug., Dec. </span>","<span style=\"color: #009966;\">Feb.,</span> <span style=\"color: #6699cc;\">April to June,</span> Aug., Nov., Dec."]]
<small>*First Class service through March 18, 2023. Months in black at least one seat available; in <span style="color: #6699cc;"><u>blue</u></span> at least two seats; in <span style="color: #009966;"><u>green</u></span> at least four seats. Remember to use the data as a guide since availability can be volatile...</small>