Making poor progress

Today he did not set off until nearly 1000GMT and headed east and then NE, and the last signal of the batch at 1400GMT showed he had flown 70kms and was flying NNE at 49km/hr at 710 metres altitude. He roosted in the desert after flying 236 kms. The wind is moderate northerly which cannot be helping. The second map shows his doglegs through Mauritania