Scheduled arrival in FRA is 0940 on Delta at end of November
Destination is Dresden. Flight on LH departs at 1241, or take train ? Several trains, but choice is 11:01, or 1241 for direct ICE train. If we take the train thought we could break up the trip by stopping overnight in
Erfurt, then continuing on to Dresden on following day.

Would prefer to fly, but a bit unsure if 3 hours is enough, especially if Delta is not on time

Thanks in advance for your suggestions/comments