Skip to content
WanderNerd
Check a flight

Route Reliability

New Orleans → Baltimore

MSY–BWI · 998 miles · Louis Armstrong New Orleans International Airport to Baltimore/Washington International Thurgood Marshall Airport

82
Pretty Reliable
WanderNerd Reliability Score
81%
Arrive within 15 minutes
7 min
Average arrival delay
1.5%
Cancelled
1,201
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Southwest Airlines81%1,033 flights
  2. 2.Spirit Airlines78%150 flights

Not enough history to rank: Frontier Airlines (18 flights). We rank airlines only after 100 flights on the route.

What the data says

Morning flights do better here.

MSY–BWI flights departing between 3–6 AM arrived on time 97% of the time, versus 52% between 6–9 PM.

Sunday scaries are real for this one.

MSY–BWI flights arrived on time 87% of the time on Wednesdays. On Sundays: 75%.

Southwest Airlines has a slight edge here.

Southwest Airlines arrived on time 81% of the time on this route; Spirit Airlines managed 78%.

Slipping a little lately.

MSY–BWI flights arrived on time 80% of the time over the last three months in the data, compared with 85% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon79%(182 flights)
  • Tue85%(144 flights)
  • Wed87%(139 flights)
  • Thu76%(185 flights)
  • Fri84%(179 flights)
  • Sat83%(141 flights)
  • Sun75%(210 flights)
On-time by departure window
  • 3–6 AM97%(92 flights)
  • 6–9 AM95%(291 flights)
  • 9 AM–12 PM89%(229 flights)
  • 12–3 PM74%(142 flights)
  • 3–6 PM67%(350 flights)
  • 6–9 PM52%(62 flights)
  • 9 PM–12 AM86%(14 flights)
On-time trend by month
77%
May

Jun 67% → May 77% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202567%106
July 202576%108
August 202589%99
September 202589%96
October 202577%114
November 202579%111
December 202587%113
January 202684%73
February 202684%74
March 202676%94
April 202687%99
May 202677%93

Same trip, other airports

Keep nerding

Based on 1,201 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.