How Long to Air Fry Leftover French Fries
Quick answer
Yes. Times depend on the preparation — for example thin-cut (fast-food style): 400°F for 3–5 minutes. Start checking early.
About this food
Refrigerated leftover fries, reheated until crisp.
Versions we cover
- Thin-cut (fast-food style)
- Thick-cut (steak fries, wedges)
- Curly or waffle fries
Common mistakes
- Crowding the basket so hot air can't circulate.
Sources
Last reviewed: 2026-09-30