LAS to BWI flight delays & on-time performance
Nonstop flights from Harry Reid International Airport to Baltimore/Washington International Thurgood Marshall Airport · 2,106 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at LAS or BWI right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Las Vegas (LAS) to Baltimore (BWI) arrived on time 79% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 0.8% were cancelled, and 5% arrived an hour or more late.
- Spirit Airlines was the most punctual airline here (81% on time); Southwest Airlines was the least (79%).
- Departures scheduled around 6am did best (95% on time); around 2pm did worst (55%).
- Saturday was the most reliable day to fly (87% on time) and Sunday the least (70%).
- The largest source of delay minutes was airline (crew, maintenance, cleaning, fueling) (49%).
Which airline is most on time from LAS to BWI?
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 | 81% | 0.0% | 17 min | 6.0% | 149 |
| Southwest Airlines | 79% | 0.9% | 11 min | 4.7% | 1,633 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am97%30 flights
- 6am95%248 flights
- 7am88%95 flights
- 8am84%64 flights
- 9am85%84 flights
- 10am77%140 flights
- 11am90%63 flights
- 12pm63%126 flights
- 1pm62%74 flights
- 2pm55%144 flights
- 3pm71%71 flights
- 4pm60%122 flights
- 5pm61%29 flights
- 6pm64%33 flights
- 8pm81%52 flights
- 9pm87%117 flights
- 10pm89%289 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday77%1.2% cancelled
- Tuesday86%0.8% cancelled
- Wednesday85%0.4% cancelled
- Thursday74%0.0% cancelled
- Friday75%0.4% cancelled
- Saturday87%1.4% cancelled
- Sunday70%1.9% 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)49%
- Late-arriving aircraft37%
- Air traffic control & airport congestion13%
- Extreme weather0%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather87%
- Airline (crew, maintenance, cleaning, fueling)7%
- Air traffic control & airport congestion7%
- Security0%
LAS to BWI: common questions
- How often are LAS to BWI flights on time?
- 79% 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 Las Vegas to Baltimore cancelled?
- 0.8% of scheduled flights were cancelled (15 of 1,782).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 47 min behind schedule on average, and 4.8% of flights were an hour or more late.
- How long is taxi time at LAS?
- Flights on this route spent 16 min taxiing from the gate to takeoff on average.
Related routes
Return trip: BWI to LAS — 80% on time
More flights from Las Vegas
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: LAS → BWI, nonstop flights by US airlines that report to the DOT. How we calculate this.