BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
CLT→SEA

Charlotte, NC (CLT) to Seattle, WA (SEA) flight delay odds

68.6% of 1,298 official scheduled CLT-to-SEA flights arrived on time; 18.6% arrived at least 30 minutes late and 1.1% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALVariable
68.6%arrived on time
18.6%30+ min late
1.1%cancelled
1,298scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late10.2%all scheduled flights
120+ minutes late3.7%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+11.8 mincompleted flights

Which departure time was most reliable for CLT to SEA?

Among qualifying CLT-to-SEA departure window results, Late morning had the highest on-time rate: 79.9% of 239 flights. Evening was lowest at 63.2% across 473 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning16474.4%12.2%3.7%
Late morning23979.9%11.7%0.8%
Afternoon42266.1%20.4%0.7%
Evening47363.2%22.6%0.6%

Which weekday was most reliable for CLT to SEA?

Among qualifying CLT-to-SEA weekday results, Monday had the highest on-time rate: 73.9% of 184 flights. Saturday was lowest at 63.3% across 180 flights.

DayFlightsOn time30+ minCancelled
Monday18473.9%15.8%2.2%
Tuesday19073.7%12.1%0.5%
Wednesday18270.3%18.1%0.5%
Thursday18768.4%21.9%0.0%
Friday18766.8%20.3%0.0%
Saturday18063.3%22.8%1.7%
Sunday18863.8%19.1%2.7%

Which airline was most reliable for CLT to SEA?

Only American Airlines met the CLT-to-SEA airline threshold: 68.6% of 1,298 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
American Airlines1,29868.6%18.6%1.1%

Which month was most reliable for CLT to SEA?

Among qualifying CLT-to-SEA month results, September 2025 had the highest on-time rate: 86.7% of 120 flights. December 2025 was lowest at 51.1% across 88 flights.

MonthFlightsOn time30+ minCancelled
July 202515456.5%27.3%0.6%
August 202512673.0%19.0%0.0%
September 202512086.7%10.8%0.0%
October 202510972.5%20.2%0.0%
November 20258478.6%11.9%0.0%
December 20258851.1%27.3%0.0%
January 20269374.2%6.5%10.8%
February 20268476.2%15.5%1.2%
March 20269357.0%21.5%2.2%
April 20269067.8%16.7%0.0%
May 202611366.4%19.5%0.0%
June 202614466.7%20.8%0.0%

What drove CLT to SEA delay minutes?

Late aircraft was the largest recorded CLT-to-SEA delay category, accounting for 39.5% of 23,733 BTS-attributed delay minutes during July 2025–June 2026.

Airline35.9%
Late aircraft39.5%
National airspace16.6%
Weather8.0%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.