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

Baltimore, MD (BWI) to Columbus, OH (CMH) flight delay odds

Historically, 77.1% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,056 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
77.1%arrived on time
14.0%30+ min late
2.1%cancelled
1,056scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late7.1%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival+7.4 mincompleted flights

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

Departure windowFlightsOn time30+ minCancelled
Late morning33389.2%5.7%1.5%
Afternoon21071.0%17.6%1.9%
Evening24174.3%17.0%0.8%
Night23865.5%21.4%4.6%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

DayFlightsOn time30+ minCancelled
Monday15576.1%13.5%1.9%
Tuesday15286.2%8.6%0.0%
Wednesday14881.8%10.1%2.0%
Thursday15276.3%13.8%2.6%
Friday15280.3%13.8%0.7%
Saturday13972.7%18.0%1.4%
Sunday15866.5%20.3%5.7%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines1,05677.1%14.0%2.1%

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

MonthFlightsOn time30+ minCancelled
July 20259256.5%26.1%9.8%
August 20259282.6%9.8%2.2%
September 20259086.7%7.8%0.0%
October 20259776.3%14.4%0.0%
November 20259182.4%9.9%0.0%
December 20259574.7%15.8%0.0%
January 20267275.0%8.3%6.9%
February 20267183.1%5.6%5.6%
March 20269169.2%26.4%0.0%
April 20268783.9%8.0%0.0%
May 20268879.5%15.9%0.0%
June 20269076.7%16.7%2.2%

What drove reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

Airline30.1%
Late aircraft55.7%
National airspace10.7%
Weather3.1%
Security0.3%
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.