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

New Orleans, LA (MSY) to Washington, DC (IAD) flight delay odds

90.6% of 641 official scheduled MSY-to-IAD flights arrived on time; 5.3% arrived at least 30 minutes late and 0.5% 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 SIGNALLower disruption
90.6%arrived on time
5.3%30+ min late
0.5%cancelled
641scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.7%all scheduled flights
120+ minutes late1.6%all scheduled flights
Diverted0.2%did not reach as scheduled
Average arrival-5.1 mincompleted flights

Which departure time was most reliable for MSY to IAD?

Among qualifying MSY-to-IAD departure window results, Early morning had the highest on-time rate: 91.7% of 301 flights. Afternoon was lowest at 91.2% across 294 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning30191.7%5.6%0.3%
Afternoon29491.2%4.1%0.7%

Which weekday was most reliable for MSY to IAD?

Among qualifying MSY-to-IAD weekday results, Tuesday had the highest on-time rate: 94.7% of 76 flights. Sunday was lowest at 86.5% across 89 flights.

DayFlightsOn time30+ minCancelled
Monday10389.3%5.8%0.0%
Tuesday7694.7%1.3%1.3%
Wednesday7893.6%5.1%0.0%
Thursday10291.2%5.9%0.0%
Friday10691.5%5.7%0.0%
Saturday8788.5%4.6%0.0%
Sunday8986.5%7.9%2.2%

Which airline was most reliable for MSY to IAD?

Only United Airlines met the MSY-to-IAD airline threshold: 90.9% of 623 scheduled flights arrived on time during July 2025–June 2026.

AirlineFlightsOn time30+ minCancelled
United Airlines62390.9%5.3%0.5%
Republic Airways1580.0%6.7%0.0%
Frontier Airlines3100.0%0.0%0.0%

Which month was most reliable for MSY to IAD?

Among qualifying MSY-to-IAD month results, September 2025 had the highest on-time rate: 97.8% of 45 flights. July 2025 was lowest at 82.8% across 58 flights.

MonthFlightsOn time30+ minCancelled
July 20255882.8%10.3%0.0%
August 20255592.7%5.5%1.8%
September 20254597.8%0.0%0.0%
October 20255590.9%9.1%0.0%
November 20256091.7%8.3%0.0%
December 20254893.8%2.1%0.0%
January 20264591.1%2.2%4.4%
February 20265090.0%2.0%0.0%
March 20265190.2%3.9%0.0%
April 20266095.0%5.0%0.0%
May 20267085.7%4.3%0.0%
June 20264488.6%9.1%0.0%

What drove MSY to IAD delay minutes?

Airline was the largest recorded MSY-to-IAD delay category, accounting for 54.7% of 3,726 BTS-attributed delay minutes during July 2025–June 2026.

Airline54.7%
Late aircraft13.2%
National airspace25.5%
Weather6.6%
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.