Skip to content
WanderNerd
Check a flight

Route Reliability

Las Vegas → Baltimore

LAS–BWI · 2,106 miles · Harry Reid International Airport to Baltimore/Washington International Thurgood Marshall Airport

81
Pretty Reliable
WanderNerd Reliability Score
79%
Arrive within 15 minutes
4 min
Average arrival delay
1.0%
Cancelled
1,841
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Southwest Airlines80%1,632 flights
  2. 2.Spirit Airlines75%209 flights

What the data says

Morning-you made the right choice.

LAS–BWI flights departing between 3–6 AM arrived on time 97% of the time, versus 62% between 3–6 PM.

Sunday scaries are real for this one.

LAS–BWI flights arrived on time 89% of the time on Saturdays and just 72% on Sundays. That gap is worth planning around.

Southwest Airlines has a slight edge here.

Southwest Airlines arrived on time 80% of the time on this route; Spirit Airlines managed 75%.

Recent months have been rougher.

LAS–BWI flights arrived on time 77% 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
  • Mon76%(264 flights)
  • Tue86%(259 flights)
  • Wed83%(263 flights)
  • Thu75%(267 flights)
  • Fri76%(264 flights)
  • Sat89%(217 flights)
  • Sun72%(278 flights)
On-time by departure window
  • 3–6 AM97%(29 flights)
  • 6–9 AM91%(434 flights)
  • 9 AM–12 PM82%(276 flights)
  • 12–3 PM65%(292 flights)
  • 3–6 PM62%(193 flights)
  • 6–9 PM69%(126 flights)
  • 9 PM–12 AM84%(462 flights)
On-time trend by month
69%
May

Jun 70% → May 69% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202570%174
July 202566%163
August 202581%161
September 202586%166
October 202582%185
November 202584%154
December 202578%149
January 202692%122
February 202685%109
March 202677%136
April 202685%145
May 202669%148

Same trip, other airports

Keep nerding

Based on 1,841 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.