OnTimeRoutes
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United Airlines MSY to IAD on-time performance

United Airlines nonstop flights from New Orleans to Washington · Aug 2025 – Jul 2026

On-time arrivals
92%
arrived < 15 min late
Cancelled
0.7%
4 flights
Avg arrival delay
8 min
87 min when late
Rank on route
#3 of 3
route average 92% on time

Key facts

  • United Airlines flights on MSY to IAD arrived on time 92% of the time in Aug 2025 – Jul 2026.
  • 0.7% were cancelled, and 4% arrived an hour or more late.
  • That ranks #3 of 3 airlines on this route, which averaged 92% on time overall.
  • The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (52%).

On-time trend by month

70%85%100%July 2025: 86.8% on time, 0.0% cancelledJul ’25August 2025: 93.8% on time, 2.0% cancelledAug ’25September 2025: 97.8% on time, 0.0% cancelledSep ’25October 2025: 90.9% on time, 0.0% cancelledOct ’25November 2025: 91.7% on time, 0.0% cancelledNov ’25December 2025: 93.5% on time, 0.0% cancelledDec ’25January 2026: 95.2% on time, 4.5% cancelledJan ’26February 2026: 91.3% on time, 0.0% cancelledFeb ’26March 2026: 90.2% on time, 0.0% cancelledMar ’26April 2026: 95.0% on time, 0.0% cancelledApr ’26May 2026: 85.7% on time, 0.0% cancelledMay ’26June 2026: 88.4% on time, 0.0% cancelledJun ’26July 2026: 90.7% on time, 2.3% cancelledJul ’26
On-time arrival rate by month. Hover a bar for exact figures.

Why this airline's flights were late

  • Airline (crew, maintenance, cleaning, fueling)52%
  • Air traffic control & airport congestion31%
  • Late-arriving aircraft11%
  • Extreme weather5%
  • Security0%

Other airlines on MSY to IAD

613 United Airlines flights tracked on this route; 4 cancelled, 0 diverted.

Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. How we calculate this.