PDX to ATL flight delays & on-time performance
Nonstop flights from Portland International Airport to Hartsfield Jackson Atlanta International Airport · 2,172 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PDX or ATL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Portland (PDX) to Atlanta (ATL) arrived on time 89% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1% were cancelled, and 2% arrived an hour or more late.
- Delta Air Lines was the most punctual airline here (91% on time); Alaska Airlines was the least (78%).
- Departures scheduled around 9pm did best (98% on time); around 7am did worst (80%).
- Tuesday was the most reliable day to fly (92% on time) and Sunday the least (83%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (49%).
Which airline is most on time from PDX to ATL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| American Airlines | 100% | 0.0% | 0 min | 0.0% | 1 |
| Delta Air Lines | 91% | 1.0% | 6 min | 1.9% | 1,264 |
| Alaska Airlines | 78% | 0.7% | 10 min | 2.8% | 286 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 6am97%311 flights
- 7am80%340 flights
- 11am86%316 flights
- 12pm88%50 flights
- 1pm91%68 flights
- 2pm89%111 flights
- 9pm98%90 flights
- 10pm89%244 flights
- 11pm95%20 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday88%0.4% cancelled
- Tuesday92%0.5% cancelled
- Wednesday91%0.0% cancelled
- Thursday91%0.4% cancelled
- Friday87%1.3% cancelled
- Saturday86%2.4% cancelled
- Sunday83%1.8% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)49%
- Air traffic control & airport congestion27%
- Late-arriving aircraft24%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Airline (crew, maintenance, cleaning, fueling)73%
- Extreme weather27%
- Air traffic control & airport congestion0%
- Security0%
PDX to ATL: common questions
- How often are PDX to ATL flights on time?
- 89% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Portland to Atlanta cancelled?
- 1.0% of scheduled flights were cancelled (15 of 1,551).
- How long are typical delays?
- Across all flights the average arrival delay was 7 min (early arrivals count as zero). Flights that were late arrived 53 min behind schedule on average, and 2.0% of flights were an hour or more late.
- How long is taxi time at PDX?
- Flights on this route spent 15 min taxiing from the gate to takeoff on average.
Related routes
Return trip: ATL to PDX — 79% on time
More flights from Portland
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PDX → ATL, nonstop flights by US airlines that report to the DOT. How we calculate this.