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

Baltimore, MD (BWI) to New Orleans, LA (MSY) flight delay odds

Historically, 76.4% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 1,180 flights.

HISTORICAL ROUTE SIGNALGenerally reliable
76.4%arrived on time
13.6%30+ min late
1.2%cancelled
1,180scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.9%all scheduled flights
120+ minutes late2.7%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+6.1 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
Early morning26791.8%3.0%0.7%
Late morning17887.1%3.9%0.0%
Afternoon33871.0%19.2%1.2%
Evening24566.9%19.6%1.6%
Night15264.5%21.7%2.6%

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
Monday18280.8%12.1%2.2%
Tuesday14881.8%11.5%0.0%
Wednesday14378.3%13.3%0.7%
Thursday18172.4%16.6%0.0%
Friday18066.7%20.0%1.7%
Saturday14285.9%4.2%0.7%
Sunday20473.0%15.2%2.5%

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 Airlines1,03175.8%13.6%1.2%
Spirit Airlines13183.2%13.0%1.5%
Frontier Airlines1866.7%22.2%0.0%

Monthly trend

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

MonthFlightsOn time30+ minCancelled
July 202511258.9%30.4%2.7%
August 202510384.5%5.8%1.9%
September 20259684.4%10.4%0.0%
October 202511383.2%8.0%0.0%
November 202511084.5%9.1%0.9%
December 202511475.4%12.3%0.9%
January 20267577.3%8.0%5.3%
February 20268184.0%12.3%0.0%
March 20269781.4%9.3%3.1%
April 202610075.0%16.0%0.0%
May 20269372.0%16.1%0.0%
June 20268655.8%25.6%0.0%

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.

Airline36.0%
Late aircraft39.6%
National airspace17.7%
Weather5.7%
Security0.9%
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.