Chicago (ORD) to Dallas (DAL): On-Time Performance
Data through July 2026
The calendar drives reliability on ORD–DAL. October 2024 flights landed on schedule 95% of the time, but March 2026 dropped to 47% — a gap of 49 points. Across the full period the route averages 77% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 69%), which matters most in the rough months.
- On-time
- 77%
- arrived <15 min late
- Avg delay
- 16 min
- completed flights
- Cancelled
- 0.8%
- Flights/day
- 1.2
- last 12 months
- Duration
- 2h 29m
- scheduled
- Distance
- 798 mi
Monthly on-time trend
Best time to fly from ORD to DAL
Aim for departures around 6 p.m. (94% on-time); avoid 7 p.m. departures (47%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 16 min |
| Tuesdaybest | 79% | 15 min |
| Wednesday | 78% | 14 min |
| Thursday | 77% | 15 min |
| Friday | 77% | 16 min |
| Saturday | 77% | 16 min |
| Sunday | 74% | 20 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft52%
- Airline operations24%
- National airspace system23%
- Weather1%
Frequently asked questions
- How often are flights from ORD to DAL delayed?
- 23% of ORD–DAL flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 16 minutes.
- What is the best time of day to fly from ORD to DAL?
- Departures around 6 p.m. have the best record (94% on-time), while departures around 7 p.m. have the worst (47%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from ORD to DAL?
- The scheduled ORD–DAL flight time averages 2h 29m over 798 miles. Actual arrival times vary — flights on this route land 15+ minutes late 23% of the time.
- How often are ORD to DAL flights cancelled?
- 0.8% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from ORD to DAL?
- March 2026 was the roughest month in this dataset, with only 47% of arrivals on time. The best was October 2024 at 95%. If your dates are flexible, that 49-point gap is worth planning around.
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Based on 1,540 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.