in early next week vs at early next week

Some examples from the web:

• I'll take 200 kilos deliverable in Bangkok early next week.
• The charges will be heard in court early next week.
• and temperatures will diminish by early next week.
• I'll see the sponsor early next week...
• We're planning a luncheon early next week on the subject.
• Early next week, at the latest.
• Mitch, just listen to what Monty says today, and we'll have you out on the floor by early next week.
• It's old work, and we're meeting early next week.
• I'm pretty sure I'm free early next week. Thanks.
• Mr President, the debate on Nepal is taking place at the right time, because the EU Troika will be visiting that country early next week.
• Meanwhile, an attorney for the former defendants will be filing a lawsuit against Hudson University and the NYPD early next week.
• But we must vote on the Gillis report this week, because the Council meeting early next week, on 22 and 23 July, will need to ratify our decision.
• I have to head back home early next week, so if you want to get started, we should probably meet again before I leave to make some plans.
• It is the gravity of this issue and its negative impact on the EU fisheries sector that provoked the Slovenian Presidency to include it on the agenda of the Agriculture and Fisheries Council to be held early next week, as Mr Morillon has already mentioned.
• The whole thing could happen as early as next week.
• Parliament will also be able to discuss these proposals as early as next week.
• he could announce as early as next week.
• I have just heard that the report is to come out any day now, perhaps as early as next week.
• They're prepared to ask for an investigation and hearings into Arthur as early as next week.
• In the meantime, we'd like to send a facilities inspector out to... take a look at things as early as next week.

Some examples from the web:

• In the meantime, we'd like to send a facilities inspector out to... ...take a look at things as early as next week.
• I'll take 200 kilos, deliverable in Bangkok early next week.
• I'll see the sponsor early next week...
• and temperatures will diminish by early next week.
• The charges will be heard in court early next week.
• Early next week, at the latest.
• We're planning a luncheon early next week on the subject.
• I'm pretty sure I'm free early next week. Thanks.
• It's old work, and we're meeting early next week.
• Look, I have us going over the musculature of the torso by early next week.
• Mitch, just listen to what Monty says today, and we'll have you out on the floor by early next week.
• Mr President, the debate on Nepal is taking place at the right time, because the EU Troika will be visiting that country early next week.
• Meanwhile, an attorney for the former defendants will be filing a lawsuit against Hudson University and the NYPD early next week.
• But we must vote on the Gillis report this week, because the Council meeting early next week, on 22 and 23 July, will need to ratify our decision.
• I have to head back home early next week, so if you want to get started, we should probably meet again before I leave to make some plans.
• It is the gravity of this issue and its negative impact on the EU fisheries sector that provoked the Slovenian Presidency to include it on the agenda of the Agriculture and Fisheries Council to be held early next week, as Mr Morillon has already mentioned.
• The whole thing could happen as early as next week.
• Parliament will also be able to discuss these proposals as early as next week.
• I have just heard that the report is to come out any day now, perhaps as early as next week.
• They're prepared to ask for an investigation and hearings into Arthur as early as next week.