Historical on-time performance
Charlotte to Seattle
2,279 miData through Dec 2025Source: US DOT · BTS
Flights on CLT–SEA arrive on time 71% of the time over the last 12 months.
On-time rate71%arrived within 15 min
p90 delay55 min1 in 10 flights is worse (tail risk)
Cancelled0.5%of scheduled flights
based on 1,277 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- American AirlinesOn-time71%Medianon timep9055 minCancel0.5%Flights1,277
Why flights run late
Delay causes
- Airline36%
- Weather11%
- Air traffic (NAS)14%
- Late aircraft39%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 46% to 87% on time.
- Middays87% on time · p90 20 min · 128 flights · limited
- Mornings83% on time · p90 25 min · 986 flights
- Afternoons68% on time · p90 65 min · 1,340 flights
- Evenings63% on time · p90 75 min · 908 flights
- Overnights46% on time · p90 95 min · 421 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 65% to 71% on time.
- Tuesdays71% on time · p90 50 min · 493 flights
- Wednesdays70% on time · p90 60 min · 524 flights
- Fridays69% on time · p90 55 min · 558 flights
- Saturdays69% on time · p90 70 min · 524 flights
- Mondays69% on time · p90 55 min · 562 flights
- Thursdays68% on time · p90 60 min · 558 flights
- Sundays65% on time · p90 75 min · 564 flights
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