Delta Air Lines ATL to PDX on-time performance
Delta Air Lines nonstop flights from Atlanta to Portland · Aug 2025 – Jul 2026
On-time arrivals
78%
arrived < 15 min late
Cancelled
0.9%
12 flights
Avg arrival delay
12 min
49 min when late
Rank on route
#4 of 4
route average 79% on time
Key facts
- Delta Air Lines flights on ATL to PDX arrived on time 78% of the time in Aug 2025 – Jul 2026.
- 0.9% were cancelled, and 4% arrived an hour or more late.
- That ranks #4 of 4 airlines on this route, which averaged 79% on time overall.
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (43%).
On-time trend by month
Why this airline's flights were late
- Airline (crew, maintenance, cleaning, fueling)43%
- Air traffic control & airport congestion32%
- Late-arriving aircraft17%
- Extreme weather7%
- Security0%
Other airlines on ATL to PDX
- Alaska Airlines82% on time · 14 min avg delay
- American Airlines100% on time · 0 min avg delay
- Southwest Airlines100% on time · 0 min avg delay
Full ATL to PDX comparison →
Delta Air Lines on-time record across all routes →
1,264 Delta Air Lines flights tracked on this route; 12 cancelled, 2 diverted.
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.