Historical on-time performance
Baltimore to Los Angeles
2,329 miData through May 2026Source: US DOT · BTS
Flights on BWI–LAX arrive on time 75% of the time over the last 12 months.
On-time rate75%arrived within 15 min
p90 delay40 min1 in 10 flights is worse (tail risk)
Cancelled1.3%of scheduled flights
based on 1,732 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time86%Medianon timep9015 minCancel1.2%Flights571
- Spirit AirlinesOn-time83%Medianon timep9045 minCancel1.7%Flights120
- Southwest AirlinesOn-time68%Medianon timep9050 minCancel1.2%Flights1,041
Why flights run late
Delay causes
- Airline34%
- Weather5%
- Air traffic (NAS)20%
- Late aircraft40%
- Security1%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline32%
- Weather64%
- Air traffic (NAS)5%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 22 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly BWI → LAX
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 2,315 flights
- Middays79% on time · p90 30 min · 298 flights
- Evenings68% on time · p90 55 min · 1,526 flights
- Afternoons61% on time · p90 55 min · 517 flights
- Overnights60% on time · p90 70 min · 563 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 78% on time.
- Saturdays78% on time · p90 35 min · 716 flights
- Tuesdays77% on time · p90 30 min · 701 flights
- Thursdays77% on time · p90 40 min · 786 flights
- Wednesdays77% on time · p90 40 min · 707 flights
- Mondays76% on time · p90 35 min · 786 flights
- Sundays73% on time · p90 45 min · 731 flights
- Fridays71% on time · p90 45 min · 792 flights
Keep exploring