Ask "how long to bake chicken thighs at 400" and you'll get five different answers from five different websites — and most of them are guessing. Here's the straight version: bone-in, skin-on thighs (the standard 6–8 oz kind) take 25–35 minutes at 400°F (204°C), boneless skinless thighs take 20–25 minutes, and drumsticks take 30–35 minutes. In every case, the thermometer is the boss: pull them when the thickest part reads 165°F (74°C), the safe internal temperature the USDA Food Safety and Inspection Service sets for poultry.

Why the ranges instead of one magic number? Thigh size varies a lot — a pack labeled "chicken thighs" can hide anything from 4-ounce runts to 9-ounce monsters. The times below assume a middle-of-the-shelf 6–8 ounces per thigh. If yours are on the big side, use the high end of the range and check with a thermometer at the low end. That's the entire secret of people who never serve dry chicken: they check early.

The Exact Time Chart (400°F / 204°C)

Every cut below goes on a rimmed sheet pan (a wire rack inside it is better — more on that shortly), oven fully preheated. Start checking at the low end of the range.

  • Bone-in, skin-on thighs (6–8 oz each) — 25–35 minutes. The workhorse. The bone slows cooking slightly, which is why these stay juicy; the skin renders and crisps in the last 10 minutes.
  • Boneless, skinless thighs (4–6 oz each) — 20–25 minutes. No bone, no skin, so heat moves fast. Start checking at 18 minutes — these are the ones most people overcook.
  • Drumsticks (about 4 oz each) — 30–35 minutes. That bone plus the narrow tip means the meat near the bone needs the full time even though the piece looks small.
  • Leg quarters (thigh + drumstick together, 10–12 oz) — 40–45 minutes. Big pieces need the most patience. Shield with foil if the skin browns too fast.
  • Bone-in thighs from frozen (unbreaded) — 45–55 minutes. The USDA says cooking poultry from frozen is safe as long as it reaches 165°F throughout; just add roughly 50% more time and expect flabbier skin.
  • Boneless thighs from frozen — 35–40 minutes. Thawing on a sheet pan in the fridge overnight is still better, but a forgotten-thaw dinner is salvageable.

One non-negotiable across all of them: rest the chicken 5 minutes after it leaves the oven, tented loosely with foil. Cut too early and the juices run out onto the cutting board instead of staying in the meat. Five minutes of patience buys you noticeably juicier thighs.

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The Crisp-Skin Method (6 Steps)

Time gets the chicken cooked; method gets the skin shattering. Soggy baked thighs are almost never a time problem — they're a moisture problem. Here's the sequence:

  1. Pat them ruthlessly dry. Paper towels, both sides, like you're annoyed with the chicken. Surface moisture is enemy #1 of crisp skin — it steams the skin instead of letting it render.
  2. Season simply, then oil lightly. 1 tsp kosher salt + ½ tsp black pepper per 4 thighs, plus 1 tbsp olive oil rubbed over the skin. (Skip oil entirely if you want; the skin has plenty of its own fat. But oil helps the seasoning stick.)
  3. Wire rack inside the pan, skin side up. This is the single biggest upgrade. Air circulates underneath, the fat drips away, and the bottom crisps instead of stewing in its own drippings. No rack? A bed of halved onions or a crumpled foil snake works in a pinch.
  4. Don't crowd the pan. 1–2 inches between pieces. Crowded thighs trap steam and you'll get grey skin no matter how long they bake. Two pans of 4 beats one pan of 8.
  5. Middle rack, 400°F, no peeking for 20 minutes. Opening the door drops the temperature 25°F or more and slows the skin rendering. Start checking at the low end of the chart above.
  6. Rest 5 minutes before serving. Carryover cooking adds another 3–5°F, which is free doneness — and the juices redistribute. The thermometer read before resting counts as the real number, per USDA guidance.

From Frozen? Here's the Honest Guide

You forgot to thaw the chicken. It happens to everyone. The USDA is clear: cooking poultry from frozen is safe as long as the thickest part reaches 165°F — the penalty is time (about 50% more) and texture (the skin won't crisp as well). Seasoning sticks better if you run the frozen thighs under cold water for 60 seconds to thaw just the surface, then pat dry and season. Use a rimmed pan with foil underneath — frozen thighs release a lot of water in the first 15 minutes, and that liquid needs somewhere to go that isn't your oven floor. Check with a thermometer starting at the low end of the frozen range; the outside will look done long before the center is.

The 4 Mistakes That Ruin Baked Thighs

Mistake 1: Baking at the wrong temperature to "save time." Cranking to 450°F chars the skin before the meat near the bone cooks. Going down to 350°F gives you rubbery, pale skin. 400°F is the sweet spot because the skin renders and browns in exactly the time the meat needs.

Mistake 2: No thermometer, going by "looks done." Thigh meat is pink-ish even when fully cooked (myoglobin in dark meat), so color lies. An instant-read thermometer is $10 and ends every argument. Check the thickest part, away from the bone.

Mistake 3: Skipping the rest. Thighs cut straight from the pan leak their juices everywhere. Five minutes. That's the whole trick.

Mistake 4: Seasoning under the skin and nowhere else. Salt under the skin never makes it to the skin, which is the part you're eating first. Season on top of the skin, where your tongue actually lands.

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What to Do With Them (3 No-Brainer Meals)

Slice and scatter. Rest, slice across the grain, and throw the meat over the one-pan chicken fajita rice skillet — the baked thighs replace the seared chicken one-for-one and save you 15 minutes of active cooking.

Weeknight bowl builder. Two thighs + rice + any roasted vegetable = dinner. The 400°F oven already runs the show in 7 one-pan dinners that taste better than takeout, so add a sheet pan of broccoli alongside the thighs and everything finishes together.

Batch for the week. Bake 8 thighs on Sunday using the spacing rule above and you've got protein for three days of salads, tacos, and sandwiches. The crisp-skin method keeps them edible cold — which is more than most reheated chicken can say. More of this philosophy in 9 dinner hacks for busy weeknights.

"Baked thighs fail when the cook watches the clock instead of the thermometer. The chart gets you close; the $10 thermometer gets you perfect. Every single time."
The takeaway: 400°F, bone-in 25–35 minutes, boneless 20–25, drumsticks 30–35, everything to 165°F — then rest 5 minutes. Dry the skin, give the pieces space, and let a thermometer do the worrying for you.