SEA → CMH: cancellations & delays
Over Jan 2023 - Apr 2026, 0.5% of Seattle–Tacoma International Airport (SEA) to John Glenn Columbus International Airport (CMH) flights were cancelled and 22.7% arrived at least 15 minutes late, across 1,494 flights, flown by AS, AA, DL, UA, WN. Cancellations peak in January.
Check today's live SEA departures →Airport pages: Seattle–Tacoma International Airport (SEA) · John Glenn Columbus International Airport (CMH)
Rates are historical averages from U.S. DOT (BTS) on-time records; a specific flight's live estimate can differ with weather and the day's disruptions.