See the current status of you US 14 here:
https://wftc3.e-travel.com/PL/thai5/...IGHT_NUMBER=14
LH 366 is wide open:
[KVS Availability Tool - Apollo: ITN/UA/US]
Code:
MUC Munich Metro / Munich Franz Josef Strauss DE = MUC [EDDM]
BRE Bremen DE [EDDW]
DO 02 Mrz 2006
Carrier Flight From Depart To Arrive A/C St Availability
--------- ------ ---- --------- ---- --------- ---- -- --------------------------------------------------
LH/CL 364 MUC 11:20 BRE 12:40 0 C9 D9 Z9 Y9 B9 M9 H9 Q9 V9 W9 U0 S9 G0 K0 L0 T0 E0
LH/CL 366 MUC 15:25 BRE 16:45 ARJ 0 C9 D9 Z9 Y9 B9 M9 H9 Q9 V9 W9 U0 S9 G0 K0 L0 T0 E0
LH/CL 368 MUC 17:10 BRE 18:30 0 C6 D6 Z6 Y6 B6 M9 H9 Q9 V9 W9 U0 S4 G0 K0 L0 T0 E0
LH/CL 374 MUC 18:55 BRE 20:15 ARJ 0 C9 D9 Z9 Y4 B4 M4 H4 Q4 V4 W4 U0 S4 G0 K0 L0 T0 E0
LH 376 MUC 21:15 BRE 22:30 737 0 C6 D6 Z6 Y9 B9 M9 H9 Q9 V9 W9 U9 S9 G0 K0 L0 T0 E0
They are unlikely to rebook onto a different destination AND pay the taxi, as this is not LH's fault. Expect them to be rebooked to the 3pm BRE flight. MUC has plenty of nice facilities airside, so a 4hour wait is not so bad.