Baltimore (BWI) to Los Angeles (LAX): On-Time Performance
Data through July 2026
Baltimore (BWI) to Los Angeles (LAX) effectively runs on two schedules. In January 2025, 89% of arrivals were on time; in June 2026 that fell to 50% — a 39-point seasonal swing. Across the full period the route averages 76% on-time against a national 78%. Morning departures also hold up better than evening ones (88% vs 67%), which matters most in the rough months.
- On-time
- 76%
- arrived <15 min late
- Avg delay
- 15 min
- completed flights
- Cancelled
- 1.3%
- Flights/day
- 4.7
- last 12 months
- Duration
- 5h 43m
- scheduled
- Distance
- 2,329 mi
Best airline from BWI to LAX
3 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| United Airlinesmost reliable | 85% | 12 min | 1.0% | 1,198 |
| Spirit Airlines | 81% | 14 min | 2.0% | 488 |
| Southwest Airlines | 69% | 16 min | 1.3% | 1,931 |
Monthly on-time trend
Best time to fly from BWI to LAX
Aim for departures around 5 a.m. (96% on-time); avoid 10 p.m. departures (38%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 76% | 15 min |
| Tuesday | 78% | 10 min |
| Wednesday | 76% | 14 min |
| Thursday | 78% | 16 min |
| Friday | 72% | 17 min |
| Saturdaybest | 79% | 14 min |
| Sunday | 72% | 18 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft38%
- Airline operations35%
- National airspace system22%
- Weather5%
- Security1%
Frequently asked questions
- How often are flights from BWI to LAX delayed?
- 24% of BWI–LAX flights arrived 15 or more minutes late (the US DOT definition of a delay) between 2024-07 and 2026-07. The average arrival delay across completed flights was 15 minutes.
- Which airline is most reliable from BWI to LAX?
- United Airlines has the best on-time record on this route at 85%, based on 1,198 flights. 3 airlines flew BWI–LAX frequently enough to compare in this period.
- What is the best time of day to fly from BWI to LAX?
- Departures around 5 a.m. have the best record (96% on-time), while departures around 10 p.m. have the worst (38%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BWI to LAX?
- The scheduled BWI–LAX flight time averages 5h 43m over 2,329 miles. Actual arrival times vary — flights on this route land 15+ minutes late 24% of the time.
- How often are BWI to LAX flights cancelled?
- 1.3% of scheduled flights on this route were cancelled between 2024-07 and 2026-07, at or below the national rate of 1.6%.
- What is the worst month to fly from BWI to LAX?
- June 2026 was the roughest month in this dataset, with only 50% of arrivals on time. The best was January 2025 at 89%. If your dates are flexible, that 39-point gap is worth planning around.
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Based on 3,617 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.