BWI to LAX flight delays & on-time performance
Nonstop flights from Baltimore/Washington International Thurgood Marshall Airport to Los Angeles International Airport · 2,329 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BWI or LAX right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Baltimore (BWI) to Los Angeles (LAX) arrived on time 74% of the time in Aug 2025 – Jul 2026, worse than the 78% national average.
- 1.3% were cancelled, and 7% arrived an hour or more late.
- United Airlines was the most punctual airline here (84% on time); Southwest Airlines was the least (67%).
- Departures scheduled around 5am did best (94% on time); around 1pm did worst (56%).
- Saturday was the most reliable day to fly (81% on time) and Sunday the least (68%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (38%).
Which airline is most on time from BWI to LAX?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Spirit Airlines | 93% | 1.3% | 2 min | 0.0% | 76 |
| United Airlines | 84% | 1.0% | 13 min | 5.8% | 580 |
| Southwest Airlines | 67% | 1.4% | 18 min | 7.7% | 1,045 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am94%64 flights
- 6am86%250 flights
- 7am87%265 flights
- 8am88%190 flights
- 1pm56%57 flights
- 2pm64%50 flights
- 3pm58%179 flights
- 4pm68%28 flights
- 6pm70%194 flights
- 7pm62%231 flights
- 8pm60%121 flights
- 9pm53%36 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday73%2.7% cancelled
- Tuesday79%1.4% cancelled
- Wednesday74%0.0% cancelled
- Thursday75%1.2% cancelled
- Friday69%0.4% cancelled
- Saturday81%0.4% cancelled
- Sunday68%2.8% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Airline (crew, maintenance, cleaning, fueling)38%
- Late-arriving aircraft37%
- Air traffic control & airport congestion21%
- Extreme weather4%
- Security1%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather64%
- Airline (crew, maintenance, cleaning, fueling)36%
- Air traffic control & airport congestion0%
- Security0%
BWI to LAX: common questions
- How often are BWI to LAX flights on time?
- 74% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Baltimore to Los Angeles cancelled?
- 1.3% of scheduled flights were cancelled (22 of 1,701).
- How long are typical delays?
- Across all flights the average arrival delay was 15 min (early arrivals count as zero). Flights that were late arrived 55 min behind schedule on average, and 6.7% of flights were an hour or more late.
- How long is taxi time at BWI?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: LAX to BWI — 82% on time
More flights from Baltimore
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BWI → LAX, nonstop flights by US airlines that report to the DOT. How we calculate this.