reordercap lets you reorder a capture file according to the packets timestamp.
Reordercap (Wireshark) 2.1.0 (v2.1.0rc0-502-g328fbc0 from master) Reorder timestamps of input file frames into output file. See https://www.wireshark.org for more information. Usage: reordercap [options] <infile> <outfile> Options: -n don't write to output file if the input file is ordered. -h display this help and exit.