How Much Storage Does a Tablet Need for a Long Flight?

For an 8- to 15-hour flight, 128GB or more of built-in storage holds 15 hours even in High (HD) quality. On 64GB, 15 hours in High may not fit, and in Standard (SD) even 32GB holds 15 hours. These are estimates from Netflix’s maximum data of 3 GB per hour in High (1 GB in Standard), and the system’s share is an assumption.

Storage table by hours watched and quality

The numbers in the table are estimates, since download file sizes aren’t published. Storage per hour uses Netflix’s maximum streaming data instead, so it isn’t a cap on real saved size. Standard is 1 GB per hour and High is 3 GB per hour.

After you download, check the real size and free space in your device’s storage settings.

The system takes space too. This guide assumes 10–15 GB on a 32GB tablet, 15–20 GB on 64GB and 20–30 GB on 128GB or more, and the rest is free for video. microSD isn’t counted (see the microSD section below).

“Fits” means it fits even when the system takes the most space in the assumed range.

“Depends on system space” means it fits if the system takes less. “Not enough free space” means it doesn’t fit even then, so switch to Standard or pick a size that shows “Fits.”

On a 64GB tablet, 15 hours in High (45 GB) stops fitting once the system takes more than 19 GB.

Here’s how many hours each size holds (estimates):

If you’ll watch only 2 or 3 films, that is up to 6 hours at 2 hours each, or 18 GB in High quality, which 64GB or more holds. On 32GB, 2 films in High take 12 GB and fit even in the worst case, but a third takes 18 GB and may not. In Standard, 8 films fit even in the worst case.

How to check your own flight

1. Add up the hours you’ll watch on the way out and back. Count a film as 2 hours.
2. Pick a quality. If you’re unsure, plan for High so you don’t run short.
3. Enter the hours, quality and screen size in the calculator below.

Example: 7 hours out and 8 back in High is 15 hours x 3 GB = 45 GB. The 128GB row shows “Fits,” so pick 128GB or more.

The smallest size in a “Fits” row is the one to aim for.

Download limits and expiry on streaming apps

Per each service’s official help pages as of October 2026, on Netflix’s ad-supported plans, downloads are limited to 15 per device per calendar month. Fifteen hours of TV at 30–60 minutes an episode is 15–30 episodes, which reaches or passes the limit. Fifteen hours of films at 2 hours each is about 8 titles, so it fits, and ad-free plans allow 100 at a time, enough either way.

Downloads expire, and the rules differ by service.

• Netflix: downloads expire after a set period. The official help pages checked here don’t state the number of days.
• Prime Video: you typically have 30 days after downloading to start a title, and 48 hours after starting to finish it. Downloads work on up to 2 devices at a time.
• YouTube: with Premium, downloads stay watchable for up to 29 days.
• Disney+: the official help pages checked here don’t give the rules.

Netflix downloads come in two qualities: Standard (SD) and High, which is HD up to 1080p. On Android and Fire tablets without HD support the setting can’t be changed, so if you want High-quality downloads, check HD support first.

Can a microSD card add storage?

Per the makers’ official specifications, tablets with a microSD slot can add storage, but whether streaming apps can save downloads to the card is unconfirmed. The storage math here uses built-in storage only.

No iPad has a microSD slot. The Fire tablets checked take cards up to 1TB and the Galaxy Tab models checked up to 2TB. Some Android tablets have no slot.

Weight, size and battery

Per the makers’ official specifications, among tablets listed on Amazon.com, 8- to 9-inch models are the light choice for holding on the plane at 293–337g (10.3–11.9oz). The lightest 10- to 11-inch model weighs 433.6g (15.3oz). That is 96.6g (3.4oz) more than the heaviest 8- to 9-inch one.

On tablets listed on Amazon.com, the long side is about 7.7–8.3 inches on 8- to 9-inch models and 9.7–10.6 inches on 10- to 11-inch ones (195–211 and 246–269mm). All fit within an A4 sheet, 8.3 x 11.7 inches (210 x 297mm). Sizes exclude any case.

On an 11-inch iPad, a 16:9 film shown without cropping covers about 1.6 times the area it does on an 8.3-inch iPad mini. If two people share one tablet, go bigger.

If you’ll watch video for 15 hours straight, some tablets won’t last on one charge. Makers’ official video playback times are 10 hours for every iPad and 12–21 hours for the other brands sold on Amazon.com. They aren’t measured the same way, though (Amazon’s Fire figure mixes reading and music, and Lenovo uses its own lab test), so this article doesn’t sort tablets by battery life.

Seat power and USB ports can be missing depending on the aircraft and seat. Rules for power banks on a plane are in a separate guide.

Picks by need

Picks are the cheapest product that meets each need among those checked here, with 100 or more reviews, 4.0 stars or higher, and Amazon or the maker as seller. Prices change, so check the store page. No real device was tested.

Both picks assume High-quality Netflix downloads and a working YouTube app. This guide has no Standard-only pick.

Per Netflix Help, among the tablets checked here, only iPads and Fire tablets are listed for 1080p High quality. Android models are left out of the High-quality picks because their Netflix HD support couldn’t be confirmed from the maker or Netflix’s lists.

The Fire tablets checked support up to 1080p, but whether the official YouTube app works on them couldn’t be confirmed from official pages, so they aren’t picks here. The Fire HD 8 and HD 10 checked here top out at 64GB, so 15 hours in High (45 GB) depends on how much the system takes.

Two or three films, light in the hand

Three films (6 hours) in High take 18 GB, which fits in its built-in storage.

The rating count is shared with other models on the same listing.

15 hours saved in High, or two people sharing one screen

15 hours in High is 45 GB, which fits in its built-in storage. The screen is 11-inch class. The 15-hour pick and the two-viewer pick came out the same, so they’re combined.

The rating count is shared with other models on the same listing.

FAQ

How many GB of tablet storage do I need for a 15-hour flight?

128GB or more holds 15 hours even in High quality. 64GB may fall short, and in Standard even 32GB is enough.

This is an estimate from Netflix’s maximum data of 3 GB per hour in High (1 GB in Standard) with an assumed system share, so other apps may differ.

Is a 32GB or 64GB tablet enough?

In Standard, even 32GB holds 15 hours. In High, 32GB holds about 5.6–7.3 hours and 64GB about 14.6–16.3 hours.

These are estimates from Netflix’s maximum data of 3 GB per hour in High (1 GB in Standard) with an assumed system share, so other apps may differ.

Can a microSD card add storage for downloads?

Per the makers’ official specifications as of October 2026, tablets that support microSD can add storage, but whether streaming downloads can be saved to the card is unconfirmed. Some tablets have a slot and some don’t, and the storage math here uses built-in storage only.

Is there a limit on Netflix downloads?

Ad-supported plans allow 15 downloads per device per month, and ad-free plans up to 100 on a device at a time. Fifteen hours of TV can reach the ad-supported limit.

Can you finish a Prime Video title on the flight home if you start it on the way out?

On Prime Video, a title you start on the outbound flight typically stops playing 48 hours after you start it. If you plan to finish it on the way home, you may need to download it again before you return.

Related guide:

• Power banks on a long-haul flight