American Airlines is the most reliable airline on the SEA to CLT route with a 85% on-time rate. Based on 4,551 flights tracked.
Source: Bureau of Transportation Statistics. Updated October 2026.Best Airline: SEA to CLT
Seattle to Charlotte — airline reliability comparison
On-Time Rate by Airline
American Airlines85%
SEA to CLT Airline Comparison
| Airline | On-Time % | Cancel % | Avg Delay | Flights |
|---|---|---|---|---|
| American AirlinesAABest | 85% | 1.0% | 120m | 4,551 |
Route Overview
85%
Overall On-Time
122m
Avg Delay
1.1%
Cancel Rate
4,551
Total Flights
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Data last updated October 2026. Source: Bureau of Transportation Statistics.