Charleston (CHS) to Baltimore (BWI): On-Time Performance
Data through May 2026
The calendar drives reliability on CHS–BWI. February 2025 flights landed on schedule 91% of the time, but July 2024 dropped to 65% — a gap of 27 points. Across the full period the route averages 82% on-time against a national 78%. Morning departures also hold up better than evening ones (91% vs 72%), which matters most in the rough months.
- On-time
- 82%
- arrived <15 min late
- Avg delay
- 10 min
- completed flights
- Cancelled
- 1.6%
- Flights/day
- 3.4
- last 12 months
- Duration
- 1h 32m
- scheduled
- Distance
- 472 mi
Monthly on-time trend
Best time to fly from CHS to BWI
Aim for departures around 8 a.m. (95% on-time); avoid 7 p.m. departures (64%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 80% | 13 min |
| Tuesday | 86% | 7 min |
| Wednesdaybest | 88% | 9 min |
| Thursday | 79% | 11 min |
| Friday | 79% | 13 min |
| Saturday | 85% | 5 min |
| Sunday | 82% | 9 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 operations22%
- National airspace system23%
- Weather2%
Frequently asked questions
- How often are flights from CHS to BWI delayed?
- 18% of CHS–BWI 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 10 minutes.
- What is the best time of day to fly from CHS to BWI?
- Departures around 8 a.m. have the best record (95% on-time), while departures around 7 p.m. have the worst (64%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from CHS to BWI?
- The scheduled CHS–BWI flight time averages 1h 32m over 472 miles. Actual arrival times vary — flights on this route land 15+ minutes late 18% of the time.
- How often are CHS to BWI flights cancelled?
- 1.6% 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 CHS to BWI?
- July 2024 was the roughest month in this dataset, with only 65% of arrivals on time. The best was February 2025 at 91%. If your dates are flexible, that 27-point gap is worth planning around.
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Based on 2,509 flights, 2024-06–2026-05. Source: US DOT Bureau of Transportation Statistics. Updated 2026-07-01.