Historical on-time performance
Charlotte to Seattle
2,279 miData through May 2026Source: US DOT · BTS
Flights on CLT–SEA arrive on time 67% of the time over the last 12 months.
On-time rate67%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled1.3%of scheduled flights
based on 1,298 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time67%Medianon timep9060 minCancel1.3%Flights1,298
Why flights run late
Delay causes
- Airline33%
- Weather11%
- Air traffic (NAS)15%
- Late aircraft41%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline6%
- Weather94%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 17 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly CLT → SEA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 88% on time.
- Middays88% on time · p90 15 min · 120 flights · limited
- Mornings82% on time · p90 25 min · 1,007 flights
- Afternoons66% on time · p90 70 min · 1,344 flights
- Evenings64% on time · p90 70 min · 1,024 flights
- Overnights43% on time · p90 105 min · 351 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 64% to 71% on time.
- Tuesdays71% on time · p90 50 min · 512 flights
- Wednesdays71% on time · p90 60 min · 530 flights
- Mondays70% on time · p90 55 min · 564 flights
- Fridays68% on time · p90 55 min · 567 flights
- Thursdays68% on time · p90 60 min · 567 flights
- Saturdays67% on time · p90 70 min · 537 flights
- Sundays64% on time · p90 75 min · 569 flights
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