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delta.com

Delta Air Lines | Flights & Plane Tickets + Hotels & Cars

Delta Air Lines, a leader in domestic and international travel, offers plane tickets and vacation packages to over 300 destinations in 60 countries.

LCP Largest Contentful Paint: how long until the biggest thing on the screen, usually the hero image or headline, has appeared. This is the number the club rule uses.

3.5s

Not in the club

Not even close. Real users wait 3.5 s.

Real-user data from the Chrome UX Report, 75th percentile, mobile. Measured on https://www.delta.com. Checked 2026-09-03.

FCP First Contentful Paint: how long until the first text or image shows up. The moment the page stops being blank.2.2 s
TTFB Time to First Byte: how long the server takes to start sending the page. Slow TTFB means slow hosting or heavy server work.587 ms
INP Interaction to Next Paint: how quickly the page reacts when you tap or click. Under 200 ms feels instant.294 ms
CLS Cumulative Layout Shift: how much the page jumps around while loading. 0 is perfect, under 0.1 is good.0.49
Desktop LCP The same Largest Contentful Paint, measured for real visitors on desktop browsers. The club rule uses the phone number.3.7 s

Six months of Mondays

Weekly p75, phone 75th percentile: three quarters of real visits were at least this fast that week.

Fastest week 3.3 s · slowest 3.7 sDashed line: the 1.5 s rule

Club history

Joined and kicked
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Live, so it can't lie
instantly.fyi: 3.5 s ✗
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[![instantly.fyi: 3.5 s ✗](https://instantly.fyi/badge/delta.com.svg)](https://instantly.fyi/delta.com)

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