American Airlines is the most reliable airline on the CLT to SEA route with a 72% on-time rate. Based on 4,552 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: CLT to SEA
Charlotte to Seattle — airline reliability comparison
On-Time Rate by Airline
American Airlines72%
CLT to SEA Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| American AirlinesAABest | 72% | 0.9% | 65m | 4,552 |
Route Overview
70%
Overall On-Time
68m
Avg Delay
1%
Cancel Rate
4,552
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.