Route Reliability
Oakland → Seattle
OAK–SEA · 672 miles · Oakland International Airport to Seattle–Tacoma International Airport
- 77%
- Arrive within 15 minutes
- 6 min
- Average arrival delay
- 1.0%
- Cancelled
- 2,519
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Alaska Airlines78%1,365 flights
- 2.Southwest Airlines77%1,154 flights
What the data says
Morning-you made the right choice.
OAK–SEA flights departing between 3–6 AM arrived on time 100% of the time, versus 63% between 9 PM–12 AM.
Friday is doing you no favors.
OAK–SEA flights arrived on time 87% of the time on Tuesdays and just 70% on Fridays. That gap is worth planning around.
Not much between Alaska Airlines and Southwest Airlines.
On this route they all land within 77% to 78% on time. Pick on schedule and price.
Slipping a little lately.
OAK–SEA flights arrived on time 81% of the time over the last three months in the data, compared with 86% in the three months before that.
Best historical flights
Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.
Top flights by on-time rate
More flights on this route
The breakdown
- Mon77%(373 flights)
- Tue87%(350 flights)
- Wed79%(353 flights)
- Thu70%(375 flights)
- Fri70%(363 flights)
- Sat84%(307 flights)
- Sun76%(373 flights)
- 3–6 AM100%(34 flights)
- 6–9 AM93%(551 flights)
- 9 AM–12 PM84%(630 flights)
- 12–3 PM70%(466 flights)
- 3–6 PM70%(195 flights)
- 6–9 PM64%(478 flights)
- 9 PM–12 AM63%(140 flights)
Jun 66% → May 79% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 66% | 280 |
| July 2025 | 72% | 290 |
| August 2025 | 71% | 272 |
| September 2025 | 75% | 256 |
| October 2025 | 76% | 225 |
| November 2025 | 87% | 188 |
| December 2025 | 79% | 181 |
| January 2026 | 86% | 165 |
| February 2026 | 93% | 160 |
| March 2026 | 83% | 150 |
| April 2026 | 80% | 151 |
| May 2026 | 79% | 176 |
Same trip, other airports
Keep nerding
Based on 2,519 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.