The double A-side "Better in Time" and "Footprints in the Sand" debuted at number 74 on the
UK Singles Chart on 1 March 2008. Rising 36 places, it entered in the top 40 the following week, at number 38. On its fourth week, the song reached its peak position at number two, selling 40,476 copies, though it was kept from the top spot by
Duffy's "
Mercy". According to Alan Jones of
Music Week, releasing both songs as a double A-side contributed to this, as the 7,525 copies sold individually by "Footprints in the Sand" during that week kept the single from surpassing "Mercy". The entry became Lewis's third single to reach the UK top five. The double A-side was certified as platinum by the
British Phonographic Industry (BPI). Moreover, "Better in Time" also had an individual success in the chart, eventually reached number seven on the chart in the week ending 2 August 2008. Separately, in
Denmark, "Better in Time" entered the charts at number twenty-nine on 9 May 2008, and managed to rise twenty-three places in the next two weeks, peaking at number three on 6 June 2008. It briefly slipped two places the following week, but returned to number three, where it stayed for three weeks. The song also debuted at number 34 on New Zealand's
RIANZ Chart on 17 March 2008, eventually reaching number nine after five weeks, and by its seventh week had climbed to number six, thereby becoming her second consecutive top ten hit in the country. On 27 July 2008, its ninth week, it reached its peak position at number five, becoming Lewis's second top-five hit in the country. It remained in the top ten for eleven weeks and last appeared on the chart on 22 March 2009, forty-two weeks after its debut. in the same week that her previous single, "Bleeding Love", topped the chart. Next week it dropped out of the chart but later re-entered the Hot 100 at number seventy-five, becoming the best comeback of the week. The single peaked at number eleven in its fourteenth week, remaining there for a second week. In other US charts, "Better in Time" peaked at number four on the
Adult Top 40, The song entered the German chart on 22 February 2009 at number seventy-nine, where it stayed for three weeks. "Better in Time" became the seventeenth best-selling single of 2008 in Austria, and the seventy-second in Flanders, a region in Belgium. ==Music video and promotion==