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

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

87.1% of 1,298 official scheduled SEA-to-CLT flights arrived on time; 8.1% arrived at least 30 minutes late and 1.2% 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 SIGNALLower disruption
87.1%arrived on time
8.1%30+ min late
1.2%cancelled
1,298scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late4.2%all scheduled flights
120+ minutes late2.2%all scheduled flights
Diverted0.3%did not reach as scheduled
Average arrival+2.0 mincompleted flights

Which departure time was most reliable for SEA to CLT?

Among qualifying SEA-to-CLT departure window results, Night had the highest on-time rate: 89.7% of 416 flights. Late morning was lowest at 75.6% across 41 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning49389.7%6.5%0.8%
Late morning4175.6%22.0%0.0%
Afternoon34781.8%11.2%2.0%
Night41689.7%6.0%1.2%

Which weekday was most reliable for SEA to CLT?

Among qualifying SEA-to-CLT weekday results, Friday had the highest on-time rate: 91.4% of 187 flights. Saturday was lowest at 81.2% across 181 flights.

DayFlightsOn time30+ minCancelled
Monday19086.8%7.9%2.1%
Tuesday18488.6%7.6%1.1%
Wednesday18390.2%6.6%0.0%
Thursday18589.7%7.0%0.0%
Friday18791.4%6.4%0.5%
Saturday18181.2%9.4%1.7%
Sunday18881.9%11.7%3.2%

Which airline was most reliable for SEA to CLT?

Only American Airlines met the SEA-to-CLT airline threshold: 87.1% of 1,298 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
American Airlines1,29887.1%8.1%1.2%

Which month was most reliable for SEA to CLT?

Among qualifying SEA-to-CLT month results, March 2026 had the highest on-time rate: 93.5% of 93 flights. January 2026 was lowest at 80.6% across 93 flights.

MonthFlightsOn time30+ minCancelled
July 202515487.0%8.4%0.6%
August 202512687.3%8.7%0.0%
September 202512084.2%8.3%0.0%
October 202510992.7%3.7%0.0%
November 20258590.6%5.9%1.2%
December 20258890.9%6.8%0.0%
January 20269380.6%4.3%9.7%
February 20268490.5%3.6%2.4%
March 20269393.5%2.2%3.2%
April 20269088.9%8.9%0.0%
May 202611283.0%14.3%0.0%
June 202614481.2%16.0%0.0%

What drove SEA to CLT delay minutes?

Airline was the largest recorded SEA-to-CLT delay category, accounting for 67.7% of 21,298 BTS-attributed delay minutes during July 2025–June 2026.

Airline67.7%
Late aircraft27.0%
National airspace5.0%
Weather0.3%
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.