What is the best sending schedule for cold emails? Days and times that work
pipelineking · 2026-02-20 · 2,100 views
Been A/B testing cold email sending schedules for 6 months across 3 different clients in different industries. Here are my actual findings.
Best days: Tuesday, Wednesday, Thursday. Consistently outperform Monday and Friday by 15-25% in reply rates. Monday people are catching up from the weekend and your email gets buried. Friday afternoon people have mentally checked out.
Best times: 8-10 AM in the prospect's local timezone. This is critical — sending at 8 AM Eastern when your prospect is Pacific means they get it at 5 AM and it is buried by the time they check email. Use timezone-aware sending in Instantly or Smartlead.
Worst times: Anything after 4 PM. Reply rates drop significantly. Avoid weekends completely for B2B.
Sending intervals: Space emails at least 2 days apart within a sequence. I use Day 1, Day 3, Day 7, Day 14 for a 4-email sequence. Sending follow-ups too quickly feels aggressive and increases unsubscribe rates.
Volume pacing: Do not send all 20 emails from an inbox in one burst. Spread them across a 4-6 hour window starting at 8 AM. This mimics natural human sending behavior and avoids triggering spam filters that detect batch sending patterns.
The schedule alone improved one client's open rate from 48% to 61% without changing anything else. Timing matters more than most people think.
Comments (6)
grindgary · 2026-02-21
the Tuesday-Thursday data matches what I've seen. ran 12,000 sends last month and Tuesday morning had 67% opens vs Friday which was 41%. not even close. Tuesday is the GOAT day for cold email, the numbers don't lie
coldkingdom · 2026-02-21
timezone aware sending is the most underrated feature in any sending platform. sending at 8am eastern to a pacific time prospect means they get it at 5am and its buried by the time they check email. always send in recipient timezone
curiouscathy · 2026-02-22
does the 2 day spacing between follow-ups apply to breakup emails too? or should you wait longer before the final email?
copycarl · 2026-02-22
@curiouscathy I usually wait 7 days before the breakup email. gives them time to think. Day 1, Day 3, Day 7, Day 14 is my standard sequence timing and it consistently outperforms tighter spacing
solosdr · 2026-02-23
The volume pacing tip about spreading sends across 4-6 hours is huge. I was blasting all 20 emails at 8am sharp and my deliverability was suffering. Switched to a 8am-12pm window and inbox placement went from 79% to 88%.
mailermark · 2026-02-24
honestly surprised more people don't talk about this. the schedule alone can move reply rates 1-2% without changing a single word of copy. it's the easiest optimization most people skip