Seattle (SEA) to Charlotte (CLT): On-Time Performance
Data through July 2026
Seattle (SEA) to Charlotte (CLT) effectively runs on two schedules. In March 2026, 97% of arrivals were on time; in July 2024 that fell to 69% — a 28-point seasonal swing. Across the full period the route averages 86% on-time against a national 78%.
- On-time
- 86%
- arrived <15 min late
- Avg delay
- 18 min
- completed flights
- Cancelled
- 1.1%
- Flights/day
- 3.6
- last 12 months
- Duration
- 5h 5m
- scheduled
- Distance
- 2,279 mi
Monthly on-time trend
Best time to fly from SEA to CLT
Aim for departures around 6 a.m. (94% on-time); avoid 8 a.m. departures (75%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 84% | 26 min |
| Tuesday | 85% | 18 min |
| Wednesdaybest | 88% | 12 min |
| Thursday | 87% | 13 min |
| Friday | 88% | 13 min |
| Saturday | 83% | 22 min |
| Sunday | 87% | 24 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft31%
- Airline operations61%
- National airspace system7%
- Weather1%
Frequently asked questions
- How often are flights from SEA to CLT delayed?
- 14% of SEA–CLT flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 18 minutes.
- What is the best time of day to fly from SEA to CLT?
- Departures around 6 a.m. have the best record (94% on-time), while departures around 8 a.m. have the worst (75%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from SEA to CLT?
- The scheduled SEA–CLT flight time averages 5h 5m over 2,279 miles. Actual arrival times vary — flights on this route land 15+ minutes late 14% of the time.
- How often are SEA to CLT flights cancelled?
- 1.1% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from SEA to CLT?
- July 2024 was the roughest month in this dataset, with only 69% of arrivals on time. The best was March 2026 at 97%. If your dates are flexible, that 28-point gap is worth planning around.
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Based on 2,757 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.