Baltimore (BWI) to Raleigh/Durham (RDU): On-Time Performance
Data through May 2026
The calendar drives reliability on BWI–RDU. November 2024 flights landed on schedule 90% of the time, but July 2024 dropped to 54% — a gap of 36 points. Across the full period the route averages 80% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 70%), which matters most in the rough months.
- On-time
- 80%
- arrived <15 min late
- Avg delay
- 12 min
- completed flights
- Cancelled
- 1.5%
- Flights/day
- 5.0
- last 12 months
- Duration
- 1h 15m
- scheduled
- Distance
- 256 mi
Monthly on-time trend
Best time to fly from BWI to RDU
Aim for departures around 6 a.m. (95% on-time); avoid 10 p.m. departures (66%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 13 min |
| Tuesday | 84% | 10 min |
| Wednesdaybest | 84% | 8 min |
| Thursday | 82% | 11 min |
| Friday | 76% | 13 min |
| Saturday | 81% | 13 min |
| Sunday | 73% | 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 aircraft53%
- Airline operations28%
- National airspace system12%
- Weather6%
- Security1%
Frequently asked questions
- How often are flights from BWI to RDU delayed?
- 21% of BWI–RDU flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-06 and 2026-05. The average arrival delay across completed flights was 12 minutes.
- What is the best time of day to fly from BWI to RDU?
- Departures around 6 a.m. have the best record (95% on-time), while departures around 10 p.m. have the worst (66%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BWI to RDU?
- The scheduled BWI–RDU flight time averages 1h 15m over 256 miles. Actual arrival times vary — flights on this route land 15+ minutes late 21% of the time.
- How often are BWI to RDU flights cancelled?
- 1.5% of scheduled flights on this route were cancelled between 2024-06 and 2026-05, at or below the national rate of 1.6%.
- What is the worst month to fly from BWI to RDU?
- July 2024 was the roughest month in this dataset, with only 54% of arrivals on time. The best was November 2024 at 90%. If your dates are flexible, that 36-point gap is worth planning around.
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Based on 3,621 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.