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

New Orleans, LA (MSY) to Boston, MA (BOS) flight delay odds

61.5% of 853 official scheduled MSY-to-BOS flights arrived on time; 27.3% arrived at least 30 minutes late and 1.9% 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 SIGNALVariable
61.5%arrived on time
27.3%30+ min late
1.9%cancelled
853scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late17.2%all scheduled flights
120+ minutes late6.9%all scheduled flights
Diverted0.0%did not reach as scheduled
Average arrival+24.6 mincompleted flights

Which departure time was most reliable for MSY to BOS?

Among qualifying MSY-to-BOS departure window results, Early morning had the highest on-time rate: 76.4% of 55 flights. Evening was lowest at 54.5% across 110 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning5576.4%12.7%3.6%
Late morning8075.0%21.2%1.2%
Afternoon60859.7%28.5%1.6%
Evening11054.5%32.7%2.7%

Which weekday was most reliable for MSY to BOS?

Among qualifying MSY-to-BOS weekday results, Saturday had the highest on-time rate: 75.7% of 115 flights. Thursday was lowest at 54.7% across 128 flights.

DayFlightsOn time30+ minCancelled
Monday12854.7%35.2%2.3%
Tuesday11066.4%20.0%4.5%
Wednesday11065.5%25.5%0.9%
Thursday12854.7%32.0%0.0%
Friday13060.0%30.8%0.0%
Saturday11575.7%15.7%1.7%
Sunday13256.8%29.5%3.8%

Which airline was most reliable for MSY to BOS?

Among qualifying MSY-to-BOS airline results, Delta Air Lines had the highest on-time rate: 62.4% of 372 flights. JetBlue Airways was lowest at 60.9% across 471 flights.

AirlineFlightsOn time30+ minCancelled
JetBlue Airways47160.9%30.4%1.7%
Delta Air Lines37262.4%23.4%2.2%
Spirit Airlines850.0%37.5%0.0%
American Airlines2100.0%0.0%0.0%

Which month was most reliable for MSY to BOS?

Among qualifying MSY-to-BOS month results, January 2026 had the highest on-time rate: 73.4% of 64 flights. September 2025 was lowest at 30.0% across 60 flights.

MonthFlightsOn time30+ minCancelled
July 20256250.0%33.9%0.0%
August 20255461.1%29.6%1.9%
September 20256030.0%50.0%1.7%
October 20259547.4%45.3%0.0%
November 20258071.2%15.0%0.0%
December 20257463.5%27.0%2.7%
January 20266473.4%15.6%6.2%
February 20267057.1%25.7%10.0%
March 20267972.2%22.8%1.3%
April 20267768.8%20.8%0.0%
May 20267873.1%16.7%0.0%
June 20266066.7%26.7%0.0%

What drove MSY to BOS delay minutes?

National airspace was the largest recorded MSY-to-BOS delay category, accounting for 40.4% of 26,448 BTS-attributed delay minutes during July 2025–June 2026.

Airline18.1%
Late aircraft40.3%
National airspace40.4%
Weather1.0%
Security0.2%
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.