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

Cincinnati, OH (CVG) to Seattle, WA (SEA) flight delay odds

73.5% of 793 official scheduled CVG-to-SEA flights arrived on time; 13.5% 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 SIGNALGenerally reliable
73.5%arrived on time
13.5%30+ min late
1.1%cancelled
793scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.8%all scheduled flights
120+ minutes late2.0%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+6.7 mincompleted flights

Which departure time was most reliable for CVG to SEA?

Among qualifying CVG-to-SEA departure window results, Early morning had the highest on-time rate: 77.1% of 502 flights. Evening was lowest at 67.4% across 291 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning50277.1%10.4%1.2%
Evening29167.4%18.9%1.0%

Which weekday was most reliable for CVG to SEA?

Among qualifying CVG-to-SEA weekday results, Wednesday had the highest on-time rate: 84.1% of 113 flights. Thursday was lowest at 67.0% across 112 flights.

DayFlightsOn time30+ minCancelled
Monday11469.3%19.3%1.8%
Tuesday11778.6%13.7%0.0%
Wednesday11384.1%7.1%0.9%
Thursday11267.0%13.4%1.8%
Friday11269.6%13.4%0.0%
Saturday11175.7%11.7%1.8%
Sunday11470.2%15.8%1.8%

Which airline was most reliable for CVG to SEA?

Among qualifying CVG-to-SEA airline results, Delta Air Lines had the highest on-time rate: 84.3% of 362 flights. Alaska Airlines was lowest at 64.5% across 431 flights.

AirlineFlightsOn time30+ minCancelled
Alaska Airlines43164.5%18.8%1.6%
Delta Air Lines36284.3%7.2%0.6%

Which month was most reliable for CVG to SEA?

Among qualifying CVG-to-SEA month results, September 2025 had the highest on-time rate: 95.0% of 60 flights. December 2025 was lowest at 38.3% across 60 flights.

MonthFlightsOn time30+ minCancelled
July 20259271.7%13.0%1.1%
August 20258172.8%17.3%0.0%
September 20256095.0%3.3%0.0%
October 20256183.6%3.3%1.6%
November 20255784.2%3.5%0.0%
December 20256038.3%31.7%1.7%
January 20266172.1%11.5%3.3%
February 20265658.9%23.2%0.0%
March 20266253.2%30.6%4.8%
April 20266083.3%15.0%0.0%
May 20266288.7%3.2%1.6%
June 20268179.0%7.4%0.0%

What drove CVG to SEA delay minutes?

National airspace was the largest recorded CVG-to-SEA delay category, accounting for 36.1% of 10,645 BTS-attributed delay minutes during July 2025–June 2026.

Airline33.7%
Late aircraft25.0%
National airspace36.1%
Weather5.1%
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.