Route Reliability
Santa Ana → Portland
SNA–PDX · 859 miles · John Wayne Airport to Portland International Airport
96
Nerd Approved
WanderNerd Reliability Score
- 93%
- Arrive within 15 minutes
- 7 min early
- Average arrival delay
- 1.3%
- Cancelled
- 1,543
- Flights in the data
Data through May 2026.
Alaska Airlines is the only airline in this data on this route, arriving on time 93% of the time across 1,543 flights. No comparison to make.
What the data says
The late departure is the smart one here.
SNA–PDX flights departing between 9 PM–12 AM arrived on time 100% of the time, versus 90% between 9 AM–12 PM.
Sunday scaries are real for this one.
SNA–PDX flights arrived on time 96% of the time on Thursdays. On Sundays: 89%.
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
- Mon95%(225 flights)
- Tue93%(217 flights)
- Wed94%(215 flights)
- Thu96%(215 flights)
- Fri93%(222 flights)
- Sat94%(202 flights)
- Sun89%(227 flights)
- 6–9 AM97%(358 flights)
- 9 AM–12 PM90%(361 flights)
- 12–3 PM92%(400 flights)
- 3–6 PM93%(44 flights)
- 6–9 PM94%(300 flights)
- 9 PM–12 AM100%(60 flights)
94%
May
Jun 90% → May 94% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 90% | 115 |
| July 2025 | 92% | 116 |
| August 2025 | 93% | 130 |
| September 2025 | 95% | 147 |
| October 2025 | 92% | 141 |
| November 2025 | 96% | 142 |
| December 2025 | 89% | 146 |
| January 2026 | 97% | 116 |
| February 2026 | 95% | 106 |
| March 2026 | 89% | 123 |
| April 2026 | 98% | 118 |
| May 2026 | 94% | 123 |
Same trip, other airports
Keep nerding
Based on 1,543 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.