Chicago (MDW) to Raleigh/Durham (RDU): On-Time Performance
Data through July 2026
The calendar drives reliability on MDW–RDU. January 2026 flights landed on schedule 92% of the time, but July 2026 dropped to 65% — a gap of 27 points. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (90% vs 71%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 1.2%
- Flights/day
- 2.6
- last 12 months
- Duration
- 1h 51m
- scheduled
- Distance
- 632 mi
Monthly on-time trend
Best time to fly from MDW to RDU
Aim for departures around 7 a.m. (93% on-time); avoid 11 a.m. departures (56%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 79% | 11 min |
| Tuesdaybest | 83% | 9 min |
| Wednesday | 79% | 12 min |
| Thursday | 82% | 12 min |
| Friday | 80% | 12 min |
| Saturday | 81% | 10 min |
| Sunday | 74% | 17 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft50%
- Airline operations32%
- National airspace system15%
- Weather3%
Frequently asked questions
- How often are flights from MDW to RDU delayed?
- 20% of MDW–RDU 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 12 minutes.
- What is the best time of day to fly from MDW to RDU?
- Departures around 7 a.m. have the best record (93% on-time), while departures around 11 a.m. have the worst (56%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from MDW to RDU?
- The scheduled MDW–RDU flight time averages 1h 51m over 632 miles. Actual arrival times vary — flights on this route land 15+ minutes late 20% of the time.
- How often are MDW to RDU flights cancelled?
- 1.2% 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 MDW to RDU?
- July 2026 was the roughest month in this dataset, with only 65% of arrivals on time. The best was January 2026 at 92%. If your dates are flexible, that 27-point gap is worth planning around.
Explore related pages
More routes from MDW
Other ways to fly to Raleigh/Durham (RDU)
Related guides
Based on 2,091 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.