Best Time to Fly PDX to DAL: On-Time Stats by Hour & Airline
Portland International → Dallas Love Field
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 57.6% of Portland (PDX) to Dallas (DAL) flights arrived on time (230 scheduled flights). That is 20.0 points below the national average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
August has been the best month (89% on time) and Thursday the weakest day of the week (41%).
0.0% of flights were cancelled, versus 1.8% nationally.
PDX to DAL 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 | 57.6% | 43 min | 0.0% | 230 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly PDX to DAL
On-time arrival % by scheduled departure hour (local time), 368 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 6 | |
| 7am–8am | Limited data | 11 | |
| 8am–9am | Limited data | 13 | |
| 9am–10am | Limited data | 19 | |
| 10am–11am | 59.0% | 0.0% | 39 |
| 11am–12pm | Limited data | 22 | |
| 12pm–1pm | 87.5% | 0.0% | 57 |
| 1pm–2pm | 60.4% | 0.0% | 53 |
| 2pm–3pm | 42.0% | 0.0% | 50 |
| 3pm–4pm | 39.8% | 0.0% | 98 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on PDX to DAL
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) | 54.0% | -7.3 pts | 0.0% | 124 |
| All other days | 61.3% | — | 0.0% | 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).