FlightRecord

Charleston (CHS) to Baltimore (BWI): On-Time Performance

Data through July 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 (92% vs 72%), which matters most in the rough months.

On-time
82%
arrived <15 min late
Avg delay
10 min
completed flights
Cancelled
1.7%
Flights/day
3.4
last 12 months
Duration
1h 32m
scheduled
Distance
472 mi

Monthly on-time trend

Monthly on-time percentage for CHS to BWI flights50%75%100%August 2024: 76% on-time (112 flights)76Aug 2024September 2024: 86% on-time (107 flights)86October 2024: 89% on-time (110 flights)89November 2024: 87% on-time (101 flights)87Nov 2024December 2024: 83% on-time (94 flights)83January 2025: 90% on-time (91 flights)90February 2025: 91% on-time (80 flights)91Feb 2025March 2025: 91% on-time (108 flights)91April 2025: 83% on-time (114 flights)83May 2025: 79% on-time (125 flights)79May 2025June 2025: 83% on-time (119 flights)83July 2025: 71% on-time (117 flights)71August 2025: 82% on-time (99 flights)82Aug 2025September 2025: 89% on-time (90 flights)89October 2025: 80% on-time (118 flights)80November 2025: 85% on-time (103 flights)85Nov 2025December 2025: 82% on-time (102 flights)82January 2026: 90% on-time (96 flights)90February 2026: 78% on-time (81 flights)78Feb 2026March 2026: 81% on-time (105 flights)81April 2026: 82% on-time (109 flights)82May 2026: 81% on-time (113 flights)81May 2026June 2026: 79% on-time (107 flights)79July 2026: 76% on-time (110 flights)76

Best time to fly from CHS to BWI

Aim for departures around 8 a.m. (96% on-time); avoid 7 p.m. departures (65%).

On-time percentage by scheduled departure hour, CHS to BWI6 a.m.: 91% on-time (47 flights)67 a.m.: 92% on-time (505 flights)78 a.m.: 96% on-time (202 flights)810 a.m.: 87% on-time (189 flights)1011 a.m.: 91% on-time (165 flights)1112 p.m.: 83% on-time (71 flights)121 p.m.: 85% on-time (217 flights)132 p.m.: 83% on-time (107 flights)143 p.m.: 72% on-time (130 flights)154 p.m.: 67% on-time (175 flights)165 p.m.: 77% on-time (134 flights)176 p.m.: 78% on-time (295 flights)187 p.m.: 65% on-time (232 flights)198 p.m.: 68% on-time (142 flights)20scheduled departure hour

By day of week

DayOn-timeAvg delay
Monday79%15 min
Tuesday86%6 min
Wednesdaybest88%8 min
Thursday80%11 min
Friday78%13 min
Saturday84%6 min
Sunday82%10 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 operations21%
  • National airspace system25%
  • 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 2024-07 and 2026-07. 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 (96% on-time), while departures around 7 p.m. have the worst (65%). 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?
1.7% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, slightly above 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.

Based on 2,619 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.