Best Time to Fly SEA to CLT: On-Time Stats by Hour & Airline
Seattle/Tacoma International → Charlotte Douglas International
Data through July 2026 · Last updated October 18, 2026
1,296 flights were scheduled from Seattle (SEA) to Charlotte (CLT) in the last 12 months, and 87.9% of those that flew arrived on time, 10.3 points above the US average of 77.6%.
American Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Wednesday was the most reliable day (89% on time) and June the worst month (80%).
The cancellation rate was 1.2% (US average 1.8%).
SEA to CLT on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| American Airlines | 87.9% | 120 min | 1.2% | 1,296 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly SEA to CLT
On-time arrival % by scheduled departure hour (local time), 2,606 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 91.9% | 0.4% | 248 |
| 6am–7am | 94.4% | 0.7% | 270 |
| 7am–8am | 86.2% | 0.5% | 447 |
| 8am–9am | 76.1% | 0.0% | 47 |
| 9am–10am | Limited data | 29 | |
| 10am–11am | 80.6% | 0.0% | 72 |
| 12pm–1pm | 88.1% | 4.1% | 123 |
| 1pm–2pm | 80.2% | 0.6% | 535 |
| 8pm–9pm | Limited data | 1 | |
| 9pm–10pm | 85.1% | 3.1% | 229 |
| 10pm–11pm | 91.7% | 0.8% | 380 |
| 11pm–12am | 88.7% | 1.3% | 225 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on SEA to CLT
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 94.4% | +6.4 pts | 0.0% | 37 |
| Christmas & New Year (Dec 20 - Jan 3) | 86.9% | -1.2 pts | 0.0% | 84 |
| Summer peak (Jun 15 - Aug 15) | 82.9% | -5.2 pts | 1.0% | 603 |
| All other days | 88.1% | — | 1.1% | 1,882 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).