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Route · SEA → CLT · 2020–2025 BTS data

Seattle to Charlotte

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

Data updated 2026-06-13

84.9%
On-time
+5.9 pts
vs US avg
121 min
Delay when late
6,329
Flights

Cancelled

0.9%

Best Month

May 2025 95%

Worst Month

May 2024 62%

Distance

2,279 mi

Carriers

1

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 88 8 0 0 AA
Nov 2025 85 5 1 2 AA
Oct 2025 109 8 0 0 AA
Sep 2025 120 18 0 1 AA
Aug 2025 126 16 0 0 AA
Jul 2025 154 19 1 0 AA
Jun 2025 144 29 3 1 AA
May 2025 110 6 0 1 AA
Apr 2025 90 14 0 0 AA
Mar 2025 90 10 1 0 AA
Feb 2025 75 5 0 0 AA
Jan 2025 86 8 1 0 AA
Dec 2024 88 10 0 1 AA
Nov 2024 78 7 0 0 AA
Oct 2024 118 14 0 1 AA
Sep 2024 127 26 2 1 AA
Aug 2024 150 34 2 0 AA
Jul 2024 151 46 5 0 AA
Jun 2024 145 27 4 0 AA
May 2024 119 45 3 0 AA
Apr 2024 86 8 0 0 AA
Mar 2024 93 15 1 0 AA
Feb 2024 79 10 0 0 AA
Jan 2024 86 9 0 0 AA

Cancellation Rate

0.9%

24 of 2,597 flights

Diversion Rate

0.3%

8 of 2,597 flights

What the Data Says About SEA to CLT

Bureau of Transportation Statistics records show Seattle to Charlotte (SEA to CLT) running a 84.9% on-time rate over 6,329 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 121.3 minutes. The 2,279-mile corridor is served by 1 carrier, and over the last 24 months 0.9% of 2,597 flights were cancelled, 0.3% diverted.

The monthly split is wide on this route: May 2025 posted the strongest performance at 95% on-time, while May 2024 came in at just 62% - a 32-point swing worth factoring into travel timing.

Frequently Asked Questions

How often are flights delayed from SEA to CLT?
Flights from Seattle to Charlotte have a 84.9% on-time rate based on 6,329 flights. The average delay is 121.3 minutes. The best recent month was May 2025 with 95% on-time.
What is the cancellation rate for SEA to CLT?
Over the last 24 months, 0.9% of flights on this route were cancelled (24 of 2,597 flights) and 0.3% were diverted.
How far is the flight from SEA to CLT?
The flight distance from Seattle (SEA) to Charlotte (CLT) is approximately 2,279 miles. This route is served by 1 carrier.
When is the best time to fly from SEA to CLT?
The best recent month for on-time performance was May 2025 (95% on-time). The worst was May 2024 (62% 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.