Best Time to Fly HRL to DAL: On-Time Stats by Hour & Airline
Valley International → Dallas Love Field
Data through July 2026 · Last updated October 18, 2026
378 flights were scheduled from Harlingen/San Benito (HRL) to Dallas (DAL) in the last 12 months, and 84.2% of those that flew arrived on time, 6.6 points above the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Tuesday was the most reliable day (94% on time) and May the worst month (79%).
The cancellation rate was 0.8% (US average 1.8%).
HRL 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 | 84.2% | 47 min | 0.8% | 378 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly HRL to DAL
On-time arrival % by scheduled departure hour (local time), 757 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | Limited data | 12 | |
| 6am–7am | Limited data | 5 | |
| 7am–8am | Limited data | 26 | |
| 8am–9am | Limited data | 14 | |
| 9am–10am | Limited data | 16 | |
| 10am–11am | 84.9% | 0.7% | 153 |
| 11am–12pm | 92.1% | 1.9% | 155 |
| 12pm–1pm | 85.4% | 1.1% | 271 |
| 1pm–2pm | Limited data | 22 | |
| 2pm–3pm | 83.0% | 2.1% | 48 |
| 3pm–4pm | Limited data | 15 | |
| 4pm–5pm | Limited data | 18 | |
| 5pm–6pm | Limited data | 1 | |
| 6pm–7pm | 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 HRL 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 | 15 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 88.2% | +1.1 pts | 0.0% | 35 |
| Summer peak (Jun 15 - Aug 15) | 80.3% | -6.8 pts | 0.0% | 138 |
| All other days | 87.1% | — | 1.8% | 569 |
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).