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Route Reliability

Baltimore → Los Angeles

BWI–LAX · 2,329 miles · Baltimore/Washington International Thurgood Marshall Airport to Los Angeles International Airport

79
Usually Fine
WanderNerd Reliability Score
77%
Arrive within 15 minutes
6 min
Average arrival delay
1.3%
Cancelled
1,748
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.United Airlines87%571 flights
  2. 2.Spirit Airlines84%136 flights
  3. 3.Southwest Airlines70%1,041 flights

What the data says

Morning flights do better here.

BWI–LAX flights departing between 3–6 AM arrived on time 94% of the time, versus 47% between 9 PM–12 AM.

Sunday scaries are real for this one.

BWI–LAX flights arrived on time 84% of the time on Saturdays. On Sundays: 73%.

United Airlines has a clear lead on this route.

United Airlines arrived on time 87% of the time on this route; Southwest Airlines managed 70%.

Ticking up lately.

BWI–LAX flights arrived on time 78% of the time over the last three months in the data, compared with 74% in the three months before that.

Flights on this route

The breakdown

On-time by weekday
  • Mon79%(260 flights)
  • Tue81%(234 flights)
  • Wed75%(237 flights)
  • Thu76%(259 flights)
  • Fri73%(262 flights)
  • Sat84%(226 flights)
  • Sun73%(244 flights)
On-time by departure window
  • 3–6 AM94%(63 flights)
  • 6–9 AM91%(690 flights)
  • 9 AM–12 PM76%(21 flights)
  • 12–3 PM69%(106 flights)
  • 3–6 PM63%(216 flights)
  • 6–9 PM69%(547 flights)
  • 9 PM–12 AM47%(79 flights)
On-time trend by month
78%
May

Jun 71% → May 78% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202571%164
July 202571%170
August 202579%168
September 202583%167
October 202580%164
November 202583%134
December 202570%122
January 202676%100
February 202677%109
March 202684%141
April 202672%141
May 202678%142

Same trip, other airports

Keep nerding

Based on 1,748 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.