New Orleans (MSY) to Washington (IAD): On-Time Performance
Data through July 2026
New Orleans (MSY) to Washington (IAD) effectively runs on two schedules. In October 2024, 98% of arrivals were on time; in July 2024 that fell to 82% — a 17-point seasonal swing. Across the full period the route averages 91% on-time against a national 78%.
- On-time
- 91%
- arrived <15 min late
- Avg delay
- 7 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 1.7
- last 12 months
- Duration
- 2h 29m
- scheduled
- Distance
- 955 mi
Monthly on-time trend
Best time to fly from MSY to IAD
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 88% | 9 min |
| Tuesday | 92% | 7 min |
| Wednesdaybest | 93% | 5 min |
| Thursday | 90% | 8 min |
| Friday | 91% | 6 min |
| Saturday | 91% | 5 min |
| Sunday | 89% | 12 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft15%
- Airline operations54%
- National airspace system27%
- Weather4%
Frequently asked questions
- How often are flights from MSY to IAD delayed?
- 10% of MSY–IAD flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 7 minutes.
- How long is the flight from MSY to IAD?
- The scheduled MSY–IAD flight time averages 2h 29m over 955 miles. Actual arrival times vary — flights on this route land 15+ minutes late 10% of the time.
- How often are MSY to IAD flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from MSY to IAD?
- July 2024 was the roughest month in this dataset, with only 82% of arrivals on time. The best was October 2024 at 98%. If your dates are flexible, that 17-point gap is worth planning around.
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Based on 1,341 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.