Best Time to Fly DAL to ORD: On-Time Stats by Hour & Airline
Dallas Love Field → Chicago O'Hare International
Data through July 2026 · Last updated October 18, 2026
450 flights were scheduled from Dallas (DAL) to Chicago (ORD) in the last 12 months, and 74.9% of those that flew arrived on time, 2.7 points below the US average of 77.6%.
Southwest Airlines was the only reporting airline with regular flights on this route.
Over 24 months, Monday was the most reliable day (85% on time) and July the worst month (61%).
The cancellation rate was 0.9% (US average 1.8%).
DAL to ORD 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 | 74.9% | 61 min | 0.9% | 450 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly DAL to ORD
On-time arrival % by scheduled departure hour (local time), 1,442 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 6am–7am | Limited data | 1 | |
| 7am–8am | Limited data | 17 | |
| 8am–9am | 88.2% | 0.6% | 335 |
| 9am–10am | 94.4% | 0.0% | 107 |
| 10am–11am | 86.2% | 3.5% | 174 |
| 11am–12pm | Limited data | 9 | |
| 12pm–1pm | 72.4% | 0.3% | 309 |
| 1pm–2pm | 60.5% | 0.0% | 39 |
| 2pm–3pm | 86.1% | 0.0% | 36 |
| 3pm–4pm | 84.1% | 0.7% | 152 |
| 4pm–5pm | Limited data | 4 | |
| 5pm–6pm | Limited data | 1 | |
| 6pm–7pm | Limited data | 5 | |
| 7pm–8pm | 61.8% | 1.6% | 250 |
| 8pm–9pm | 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 DAL to ORD
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) | 79.0% | -2.5 pts | 0.0% | 58 |
| Summer peak (Jun 15 - Aug 15) | 65.4% | -16.1 pts | 0.5% | 215 |
| All other days | 81.5% | — | 1.1% | 1,145 |
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).