Baltimore (BWI) to Las Vegas (LAS): On-Time Performance
Data through July 2026
The calendar drives reliability on BWI–LAS. October 2024 flights landed on schedule 92% of the time, but July 2024 dropped to 59% — a gap of 34 points. Across the full period the route averages 78% 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
- 78%
- arrived <15 min late
- Avg delay
- 14 min
- completed flights
- Cancelled
- 0.9%
- Flights/day
- 4.9
- last 12 months
- Duration
- 5h 16m
- scheduled
- Distance
- 2,106 mi
Best airline from BWI to LAS
2 airlines flew this route regularly between 2024-07 and 2026-07.
| Airline | On-time | Avg delay | Cancelled | Flights |
|---|---|---|---|---|
| Spirit Airlinesmost reliable | 83% | 12 min | 0.9% | 683 |
| Southwest Airlines | 77% | 14 min | 0.9% | 3,419 |
Monthly on-time trend
Best time to fly from BWI to LAS
Aim for departures around 7 a.m. (92% on-time); avoid 9 p.m. departures (63%).
By day of week
| Day | On-time | Avg delay |
|---|---|---|
| Monday | 78% | 16 min |
| Tuesdaybest | 83% | 9 min |
| Wednesday | 79% | 13 min |
| Thursday | 76% | 15 min |
| Friday | 77% | 16 min |
| Saturday | 79% | 11 min |
| Sunday | 78% | 14 min |
What causes delays on this route
Share of total delay minutes by cause, as reported by carriers to the US DOT.
- Late-arriving aircraft33%
- Airline operations37%
- National airspace system24%
- Weather6%
- Security1%
Frequently asked questions
- How often are flights from BWI to LAS delayed?
- 22% of BWI–LAS 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 14 minutes.
- Which airline is most reliable from BWI to LAS?
- Spirit Airlines has the best on-time record on this route at 83%, based on 683 flights. 2 airlines flew BWI–LAS frequently enough to compare in this period.
- What is the best time of day to fly from BWI to LAS?
- Departures around 7 a.m. have the best record (92% on-time), while departures around 9 p.m. have the worst (63%). As on most US routes, delays accumulate through the day, so earlier flights are generally safer.
- How long is the flight from BWI to LAS?
- The scheduled BWI–LAS flight time averages 5h 16m over 2,106 miles. Actual arrival times vary — flights on this route land 15+ minutes late 22% of the time.
- How often are BWI to LAS flights cancelled?
- 0.9% 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 LAS?
- July 2024 was the roughest month in this dataset, with only 59% of arrivals on time. The best was October 2024 at 92%. If your dates are flexible, that 34-point gap is worth planning around.
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Based on 4,102 flights, 2024-07–2026-07. Source: US DOT Bureau of Transportation Statistics. Updated 2026-09-28.