Best Time to Fly LAX to BWI: On-Time Stats by Hour & Airline
Los Angeles International → Baltimore/Washington International Thurgood Marshall
Data through July 2026 · Last updated October 18, 2026
1,687 flights were scheduled from Los Angeles (LAX) to Baltimore (BWI) in the last 12 months, and 81.9% of those that flew arrived on time, 4.3 points above the US average of 77.6%.
United Airlines was the most punctual of the 3 airlines on the route at 89.5%, while Spirit Airlines trailed at 75.6%.
January has been the best month (92% on time) and Sunday the weakest day of the week (82%).
0.9% of flights were cancelled, versus 1.8% nationally.
LAX to BWI on-time performance by airline
Last 12 months. Airlines with fewer than 30 completed flights are marked “limited data”.
| Airline | On time | Avg delay when late | Cancelled | Flights |
|---|---|---|---|---|
| United Airlines | 89.5% | 65 min | 0.3% | 579 |
| Southwest Airlines | 78.1% | 38 min | 1.2% | 1,029 |
| Spirit Airlines | 75.6% | 51 min | 1.3% | 79 |
80%+ good 70–79.9% fair <70% poor
Best time of day to fly LAX to BWI
On-time arrival % by scheduled departure hour (local time), 3,395 flights over 24 months.
Show the numbers
| Departure hour | On time | Cancelled | Flights |
|---|---|---|---|
| 12am–1am | 87.8% | 0.0% | 49 |
| 1am–2am | Limited data | 12 | |
| 5am–6am | 90.3% | 0.7% | 300 |
| 6am–7am | 92.8% | 0.0% | 321 |
| 7am–8am | 88.9% | 2.1% | 93 |
| 8am–9am | 90.8% | 0.3% | 319 |
| 9am–10am | 86.9% | 0.0% | 308 |
| 10am–11am | 84.6% | 0.9% | 233 |
| 11am–12pm | 75.9% | 0.9% | 109 |
| 12pm–1pm | 69.8% | 3.5% | 141 |
| 1pm–2pm | 70.7% | 2.0% | 248 |
| 2pm–3pm | 66.7% | 0.0% | 48 |
| 3pm–4pm | 69.8% | 0.0% | 63 |
| 4pm–5pm | 67.4% | 0.0% | 46 |
| 5pm–6pm | Limited data | 12 | |
| 8pm–9pm | 85.9% | 0.0% | 71 |
| 9pm–10pm | 85.3% | 0.2% | 600 |
| 10pm–11pm | 78.0% | 1.2% | 83 |
| 11pm–12am | 88.7% | 0.3% | 339 |
Best day of the week
24 months, by day of departure.
Best month to fly
24 months, by calendar month.
Holiday travel on LAX to BWI
On-time arrivals during holiday periods compared with all other days, last 24 months.
| Period | On time | vs other days | Cancelled | Flights |
|---|---|---|---|---|
| Thanksgiving week (Tue before to Mon after) | 84.4% | -2.5 pts | 0.0% | 64 |
| Christmas & New Year (Dec 20 - Jan 3) | 82.1% | -4.8 pts | 0.0% | 134 |
| Summer peak (Jun 15 - Aug 15) | 76.0% | -10.9 pts | 0.8% | 660 |
| All other days | 86.9% | — | 0.6% | 2,537 |
Monthly on-time trend
On-time arrival % each month, with the 12-month US average for reference.
What causes delays on this route
Share of reported delay minutes, last 12 months (BTS cause categories).