Bilal would never delay the call to prayer past its time, though he would sometimes delay the iqamah slightly.
حدثنا محمد بن المثنى حدثنا أبو داود حدثنا شريك عن سماك بن حرب
كان بلال لا يؤخر الأذان عن الوقت وربما أخر الإقامة شيئا
No references are available.
Its chain is daif] Tayalisi narrated it, 770, from Sharik, with a similar meaning. Sharik transmitted it using "an" (without specifying direct hearing). Sourcing, the hadith of Abu Dawud (403) suffices in its place.