Best Time to Fly DAL to PDX: On-Time Stats by Hour & Airline
Dallas Love Field → Portland International
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 79.3% of Dallas (DAL) to Portland (PDX) flights arrived on time (230 scheduled flights). That is 1.7 points above the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Sunday was the most reliable day (87% on time) and June the worst month (71%).
The cancellation rate was 0.4% (US average 1.8%).
DAL to PDX on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| Southwest Airlines | 79.3% | 47 min | 0.4% | 230 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DAL to PDX
On-time arrival % by scheduled departure hour (local time), 368 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 7am–8am | 81.2% | 0.0% | 81 |
| 8am–9am | 89.8% | 0.0% | 49 |
| 9am–10am | Limited data | 21 | |
| 11am–12pm | Limited data | 24 | |
| 12pm–1pm | Limited data | 1 | |
| 1pm–2pm | 68.5% | 0.0% | 55 |
| 3pm–4pm | Limited data | 10 | |
| 4pm–5pm | 59.1% | 0.0% | 44 |
| 5pm–6pm | Limited data | 5 | |
| 6pm–7pm | 60.0% | 1.3% | 76 |
| 7pm–8pm | Limited data | 1 | |
| 8pm–9pm | Limited data | 1 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on DAL to PDX
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | Limited data | 10 | ||
| Christmas & New Year (Dec 20 - Jan 3) | Limited data | 21 | ||
| Summer peak (Jun 15 - Aug 15) | 78.7% | +1.3 pts | 0.0% | 124 |
| All other days | 77.4% | — | 0.5% | 213 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).