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Route · CLT → SEA · 2020–2025 BTS data

Charlotte to Seattle

The CLT–SEA corridor (Charlotte, NC → Seattle, WA) runs behind the national average, served by 1 carrier across roughly 2,279 miles.

Data updated 2026-06-13

73.2%
On-time
-5.8 pts
vs US avg
72 min
Delay when late
6,336
Flights

Cancelled

0.8%

Best Month

Sep 2025 87%

Worst Month

Jul 2024 44%

Distance

2,279 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 88 43 0 0 AA
Nov 2025 84 18 0 0 AA
Oct 2025 109 30 0 0 AA
Sep 2025 120 16 0 0 AA
Aug 2025 126 34 0 0 AA
Jul 2025 154 65 1 1 AA
Jun 2025 144 61 3 0 AA
May 2025 111 22 0 0 AA
Apr 2025 90 17 0 0 AA
Mar 2025 90 25 1 0 AA
Feb 2025 75 16 0 0 AA
Jan 2025 86 15 1 0 AA
Dec 2024 88 14 0 2 AA
Nov 2024 78 11 0 1 AA
Oct 2024 118 22 0 0 AA
Sep 2024 126 29 3 0 AA
Aug 2024 151 65 2 0 AA
Jul 2024 151 85 5 0 AA
Jun 2024 146 69 4 1 AA
May 2024 119 66 2 1 AA
Apr 2024 86 25 0 0 AA
Mar 2024 93 21 0 0 AA
Feb 2024 79 13 0 0 AA
Jan 2024 86 17 0 0 AA

Cancellation Rate

0.8%

22 of 2,598 flights

Diversion Rate

0.2%

6 of 2,598 flights

What the Data Says About CLT to SEA

On-time performance on the CLT to SEA pairing (Charlotte to Seattle) trails a chunk of the network: 73.2% of 6,336 tracked flights arrived on schedule, with a 71.8-minute average delay on the ones that ran late. The route spans about 2,279 miles across 1 carrier. Cancellations over the trailing 24 months hit 0.8% (22 of 2,598 flights), with 0.2% diverted.

The monthly split is wide on this route: Sep 2025 posted the strongest performance at 87% on-time, while Jul 2024 came in at just 44% - a 43-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from CLT to SEA?
Flights from Charlotte to Seattle have a 73.2% on-time rate based on 6,336 flights. The average delay is 71.8 minutes. The best recent month was Sep 2025 with 87% on-time.
What is the cancellation rate for CLT to SEA?
Over the last 24 months, 0.8% of flights on this route were cancelled (22 of 2,598 flights) and 0.2% were diverted.
How far is the flight from CLT to SEA?
The flight distance from Charlotte (CLT) to Seattle (SEA) is approximately 2,279 miles. This route is served by 1 carrier.
When is the best time to fly from CLT to SEA?
The best recent month for on-time performance was Sep 2025 (87% on-time). The worst was Jul 2024 (44% on-time). Consider booking during months with historically better performance.

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Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights Editorial

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.