Narrative:

We departed ZZZ with incorrect release. Both the captain and I missed that we were on release 2. There was a re-route which ATC had to read to us. The dispatcher thought he published release 2 before the captain signed release 1. He was mistaken. Captain signed for release 1 three minutes before the dispatcher submitted release 2. The captain and I should have caught the error when the final weight manifest was reviewed. This was my third flight after being off for 6 months because of covid-19.

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Original NASA ASRS Text

Title: Air carrier First Officer reported the flight departed with incorrect release documentation. The First Officer referenced not having flown in the last 6 months due to the COVID-19 pandemic.

Narrative: We departed ZZZ with incorrect release. Both the Captain and I missed that we were on release 2. There was a re-route which ATC had to read to us. The Dispatcher thought he published release 2 before the Captain signed release 1. He was mistaken. Captain signed for release 1 three minutes before the Dispatcher submitted release 2. The Captain and I should have caught the error when the Final Weight Manifest was reviewed. This was my third flight after being off for 6 months because of COVID-19.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.