Departure-related claims usually depend on timing and proof. Keep confirmations showing the original travel plan, proof of delay or disruption, replacement bookings, transport records, and any official explanation from the carrier or provider.
The key question is usually not just “Was there a delay?” but “What loss followed from the delay, and how is it evidenced?” If you had to rearrange transport, pay extra, or missed a booked connection, show the chain clearly.
A short timeline helps a lot here: original departure, disruption time, what was missed, and what extra cost followed.