PlainFlights

Route · SEA → OAK · 2020–2025 BTS data

Seattle to Oakland

According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SEA to OAK (Seattle to Oakland) ranks #683 of 4927 tracked domestic routes by total flights (most flights = #1).

Data updated 2026-06-13

80.1%
On-time
+1.1 pts
vs US avg
53 min
Delay when late
14,279
Flights
#683 of 4927
Corpus placement

Cancelled

0.7%

Best Month

Nov 2024 84%

Worst Month

Jun 2024 61%

Distance

672 mi

Carriers

19

Monthly Performance

Recent 24 months of route data.

Period Flights Delayed Cancelled Diverted Carriers
Dec 2025 151 53 1 0 WN,AS
Nov 2025 153 31 3 0 OO,AS,WN
Oct 2025 178 36 1 0 AS,OO,WN
Sep 2025 166 48 0 0 WN,AS
Aug 2025 199 71 1 0 OO,WN,AS
Jul 2025 233 80 2 0 AS,OO,WN
Jun 2025 219 73 0 0 AS,OO,WN
May 2025 149 36 0 0 AS,WN
Apr 2025 125 23 0 0 WN,AS
Mar 2025 111 29 0 0 AS,WN
Feb 2025 100 27 1 0 AS,WN
Jan 2025 131 22 0 0 AS,WN
Dec 2024 161 36 0 0 AS,WN
Nov 2024 150 24 1 0 WN,AS
Oct 2024 185 47 0 0 AS,WN
Sep 2024 205 52 0 0 WN,AS
Aug 2024 228 72 1 1 AS,WN,OO
Jul 2024 233 67 0 0 AS,OO,WN
Jun 2024 221 86 0 0 AS,OO,WN
May 2024 192 55 1 0 AS,OO,WN
Apr 2024 184 41 1 0 AS,OO,WN
Mar 2024 181 52 0 0 AS,OO,WN
Feb 2024 154 25 0 0 AS,WN
Jan 2024 168 39 16 0 AS,WN

SEA–OAK seasonal on-time pattern

Best: February (86.6%) · weakest: June (73.5%)

70%75%80%85%90% JanFebMarAprMayJunJulAugSepOctNovDec 76.6%

Strongest calendar month

February

86.6% on-time · ~163 flights/mo

Busiest calendar month

August

~252 flights/mo avg

Weakest calendar month

June

73.5% on-time · ~223 flights/mo

Cancellation Rate

0.7%

29 of 4,177 flights

Diversion Rate

0.0%

1 of 4,177 flights

Explore origin & destination

On-time and delay data for the airports this route connects.

SEA - Seattle

Full on-time, delay-cause, and seasonal performance for Seattle, WA.

SEA on-time profile

OAK - Oakland

Full on-time, delay-cause, and seasonal performance for Oakland, CA.

OAK on-time profile

Compare the two airports

See SEA and OAK side by side on delays, cancellations, and reliability.

Compare SEA vs OAK

Origin-hub reliability standing

Mid-pack among SEA departures

From SEA, this corridor sits with 63 other 75–85% on-time routes out of 89 tracked departures, not the hub's reliability leaders (25 at ≥85%) and not the softest ( 1 below 75%). Destination: Oakland · fleet on-time rank #3115 of 4927.

What the Data Says About SEA to OAK

14,279 tracked flights put the SEA to OAK pairing (Seattle to Oakland) at a 80.1% on-time rate, squarely in line with the wider network. Delays that do occur run 53.2 minutes on average. Across the 672-mile route and its 19 carriers, the trailing 24 months show 0.7% cancelled and 0.0% diverted (4,177 flights sampled).

The monthly split is wide on this route: Nov 2024 posted the strongest performance at 84% on-time, while Jun 2024 came in at just 61% - a 23-point swing worth factoring into travel timing.

On the multi-year calendar, SEA–OAK peaks in February at 86.6% on-time while August carries the heaviest traffic (~252 flights per month) ; the softest month is June at 73.5%, a 13.1-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.

Frequently Asked Questions

Where does SEA to OAK rank among US routes by traffic? ▼
According to PlainFlights' route traffic ranking, SEA to OAK ranks #683 of 4927 tracked domestic routes by total flights (most flights = #1). That ordinal matches our busiest-routes listing (total_flights DESC). See /methodology#corpus-placement for the exact sort basis.
How often are flights delayed from SEA to OAK? ▼
Flights from Seattle to Oakland have a 80.1% on-time rate based on 14,279 flights. The average delay is 53.2 minutes. The best recent month was Nov 2024 with 84% on-time.
What is the cancellation rate for SEA to OAK? ▼
Over the last 24 months, 0.7% of flights on this route were cancelled (29 of 4,177 flights) and 0.0% were diverted.
How far is the flight from SEA to OAK? ▼
The flight distance from Seattle (SEA) to Oakland (OAK) is approximately 672 miles. This route is served by 19 carriers.
When is the best time to fly from SEA to OAK? ▼
The best recent month for on-time performance was Nov 2024 (84% on-time). The worst was Jun 2024 (61% on-time). Consider booking during months with historically better performance.

Airports on this route

SEA Airport

Seattle
OAK Airport

Oakland
Data source

Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.

Read our methodology - how this data is sourced, computed, and verified.

Using SEA–OAK data

SEA–OAK is mid-pack at 80.1% on-time; month and carrier mix move more than the corridor headline.

  • Compare SEA and OAK airport profiles: delay causes and top routes differ even on the same corridor. SEA airport
  • If your dates flex, February (86.6% on-time) beats June (73.5%) on this corridor. Seasonal chart
  • 4 other routes post a similar 80.1% on-time rate; compare before you commit to this pairing. Similar routes

On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.

Data sourced from U.S. Department of Transportation Bureau of Transportation Statistics (BTS) On-Time Performance data. See our methodology for details. Retrieved and formatted by PlainFlights

Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.