ON TIMEBOARD
SEA Seattle / OKC Oklahoma City

SEA → OKC on time

Seattle-Tacoma (Seattle, WA) to OKC Will Rogers World (Oklahoma City, OK). Every scheduled flight, September 2025 to August 2026.

On time
86%
arrived < 15 min late
Cancelled
0.2%
424 flights
Typical arrival
−10 min
median vs schedule
When late
+34 min
average delay
Flights / day
1
1 airline

86% of flights from Seattle to Oklahoma City arrived on time over the past 12 months. That is better than the typical U.S. route. 2% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for SEA → OKC: when a flight was late, it was under 45 minutes late 88% of the time. About 1 in 61 flights landed an hour or more late; 0.2% were cancelled outright.

Share of all 424 scheduled flights, past 12 months, by arrival time against schedule.

By airline

AirlineFlightsOn timeCancelledTypical arrival1h+ lateAvg when lateOperated by
Alaska Airlines42486%0.2%−10 min1.7%+34 minAlaska Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at SEA). Delays build through the day as late planes knock on, so early flights usually do best.

40%70%100%7 a.m. departures: too few flights (21 flights)7a8 a.m. departures: 92% on time (333 flights)928a9 a.m. departures: too few flights9a10 a.m. departures: too few flights10a11 a.m. departures: too few flights11anoon departures: too few flights12p1 p.m. departures: too few flights1p2 p.m. departures: too few flights2p3 p.m. departures: too few flights3p4 p.m. departures: too few flights4p5 p.m. departures: too few flights5p6 p.m. departures: too few flights (70 flights)6p
SEA → OKC, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.
82%+ on time76–82%68–76%under 68%too few flights

By month

Each calendar month pooled over 2023–2026. Best: June (81%). Worst: July (74%).

40%70%100%Jan: too few flights (72 flights)JanFeb: too few flights (70 flights)FebMar: too few flights (87 flights)MarApr: too few flights (90 flights)AprMay: too few flights (93 flights)MayJun: 81% on time (112 flights)81JunJul: 74% on time (140 flights)74JulAug: 78% on time (130 flights)78AugSep: too few flights (90 flights)SepOct: too few flights (84 flights)OctNov: too few flights (82 flights)NovDec: too few flights (84 flights)Dec

By day of week

DayFlightsOn timeCancelled
Monday63——
Tuesday58——
Wednesday62——
Thursday61——
Friday62——
Saturday56——
Sunday62——

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 52%Air traffic & airport (NAS) 25%Late inbound plane 23%

Cancellations: weather 1

Month by month

Not enough months with data to draw a trend.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

FlightDepartsFlightsOn timeCancelledTypical arrivalOperated by
AS 4058:18 a.m.35292%0.3%−12 minAlaska Airlines

Questions

How often are flights from SEA to OKC on time?

86% of 424 scheduled flights from Seattle, WA to Oklahoma City, OK arrived within 15 minutes of schedule between September 2025 and August 2026. 0.2% were cancelled.

What month has the most delays from SEA to OKC?

July (74% on time). The best month is June (81%), over 2023–2026.

Related

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.