The visitors coach encountered problems en route to Coventry and the game did not kick off until 4.10pm.
A crowd of 715 saw Lee Audis kick Coventry ahead with a 13th minute penalty but Otely were in front eight minutes later, when Jamie Sutton ran in a try which was converted by Christian Georgiou.
Audis kicked a 24th minute penalty and in the 58th minute, boosted his points tally in the match when he scored a 58th minute try.
Christian Georgiou kicked a 70th minute penalty but in stoppage time, Dale Ager went over for a try which Elliott Read converted to give Coventry an 18-10 victory.