LAS → SEA: cancellations & delays
Over Jan 2023 - Apr 2026, 0.9% of Harry Reid International Airport (LAS) to Seattle–Tacoma International Airport (SEA) flights were cancelled and 20.5% arrived at least 15 minutes late, across 21,180 flights, flown by AS, DL, WN, NK, F9, OO. Cancellations peak in January.
Check today's live LAS departures →Airport pages: Harry Reid International Airport (LAS) · Seattle–Tacoma International Airport (SEA)
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.