BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
BWI→CHS

Baltimore, MD (BWI) to Charleston, SC (CHS) flight delay odds

79.3% of 1,241 official scheduled BWI-to-CHS flights arrived on time; 11.4% arrived at least 30 minutes late and 1.4% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
79.3%arrived on time
11.4%30+ min late
1.4%cancelled
1,241scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late5.8%all scheduled flights
120+ minutes late1.9%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+4.7 mincompleted flights

Which departure time was most reliable for BWI to CHS?

Among qualifying BWI-to-CHS departure window results, Early morning had the highest on-time rate: 87.7% of 332 flights. Evening was lowest at 69.6% across 496 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning33287.7%4.5%1.5%
Late morning17686.4%5.1%0.0%
Afternoon23683.1%10.6%0.8%
Evening49669.6%18.3%2.0%

Which weekday was most reliable for BWI to CHS?

Among qualifying BWI-to-CHS weekday results, Wednesday had the highest on-time rate: 85.7% of 161 flights. Sunday was lowest at 74.6% across 205 flights.

DayFlightsOn time30+ minCancelled
Monday19476.8%14.4%2.1%
Tuesday16683.7%11.4%0.6%
Wednesday16185.7%8.1%0.0%
Thursday18575.7%7.6%1.1%
Friday19479.4%10.8%1.0%
Saturday13681.6%11.0%2.2%
Sunday20574.6%15.1%2.4%

Which airline was most reliable for BWI to CHS?

Only Southwest Airlines met the BWI-to-CHS airline threshold: 79.3% of 1,229 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,22979.3%11.5%1.4%
Spirit Airlines1283.3%0.0%0.0%

Which month was most reliable for BWI to CHS?

Among qualifying BWI-to-CHS month results, February 2026 had the highest on-time rate: 88.9% of 81 flights. July 2025 was lowest at 67.5% across 117 flights.

MonthFlightsOn time30+ minCancelled
July 202511767.5%18.8%2.6%
August 20259976.8%16.2%0.0%
September 20259085.6%10.0%0.0%
October 202511880.5%11.0%0.0%
November 202510380.6%10.7%1.9%
December 202510477.9%10.6%1.9%
January 20269685.4%4.2%7.3%
February 20268188.9%6.2%1.2%
March 202610576.2%12.4%1.0%
April 202610985.3%2.8%0.0%
May 202611276.8%13.4%0.0%
June 202610774.8%17.8%0.9%

What drove BWI to CHS delay minutes?

Late aircraft was the largest recorded BWI-to-CHS delay category, accounting for 50.8% of 14,137 BTS-attributed delay minutes during July 2025–June 2026.

Airline28.9%
Late aircraft50.8%
National airspace15.7%
Weather4.6%
Security0.0%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.