Best Time to Fly ORD to DAL: On-Time Stats by Hour & Airline
Chicago O'Hare International → Dallas Love Field
Data through July 2026 · Last updated October 18, 2026
Over the last 12 months, 74.0% of Chicago (ORD) to Dallas (DAL) flights arrived on time (450 scheduled flights). That is 3.6 points below the national 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 (81% on time) and July the worst month (61%).
The cancellation rate was 1.3% (US average 1.8%).
ORD 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 | 74.0% | 77 min | 1.3% | 450 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly ORD to DAL
On-time arrival % by scheduled departure hour (local time), 1,451 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 5am–6am | 87.2% | 0.0% | 39 |
| 6am–7am | Limited data | 12 | |
| 7am–8am | 91.7% | 1.0% | 405 |
| 9am–10am | Limited data | 1 | |
| 11am–12pm | Limited data | 20 | |
| 12pm–1pm | Limited data | 1 | |
| 1pm–2pm | 77.0% | 0.6% | 347 |
| 2pm–3pm | 74.8% | 0.7% | 149 |
| 3pm–4pm | 75.0% | 0.0% | 48 |
| 4pm–5pm | 54.7% | 1.9% | 108 |
| 5pm–6pm | 69.2% | 1.1% | 286 |
| 6pm–7pm | 93.8% | 0.0% | 32 |
| 7pm–8pm | Limited data | 3 | |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on ORD 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 | 24 | ||
| Christmas & New Year (Dec 20 - Jan 3) | 70.7% | -9.6 pts | 0.0% | 58 |
| Summer peak (Jun 15 - Aug 15) | 69.5% | -10.8 pts | 0.0% | 215 |
| All other days | 80.2% | — | 1.1% | 1,154 |
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).