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Ranking & search details
7 nonstop, 33 with 1 connection, 6 with 2 · ranked by overall best · 22 hidden by your Most reliable time setting (they leave at other times of day) · showing the top 3
Most reliable time: morning departures (5–11 AM), the window with the best on-time odds for this trip. Turn off “Most reliable” under Departure time in Advanced settings to see every time.
Fares seen on this date: nonstop from 184 · any route from 108 (recent searches, one way, per person; each card opens the live price)
24 matching trips
Why this is our top pick
- This morning flight leaves in the most reliable time of day on this route: its best departures have an 84% reliability rating vs 64% for midday departures.
- It has the same 31 in of legroom as the next-best option (Southwest 3828 on the Boeing 737-700); it arrives on time 11 points more often; it flies a newer plane (about 8 vs 19 years old).
6:00 AM5:08 PMLAS → BWI
United · UA 2039 / UA 1093
8h 08m1 stop
1h 40m in LAX
One ticket
91%arrive on time98% connections madeCheck fares
Aircraft and legroom reflect the planes each flight has flown recently. Airlines can swap planes and seat maps change, so check the airline’s seat map when you book.
LAS → BWI
Las Vegas to Baltimore: 1,841 nonstop flights a year
On time (12 months)
78%
Cancelled
1.0%
avg delay 12 min
Best time to leave
Before 9 AM
90% on time vs 61% 3 to 6 PM
Most reliable airline
Southwest
78% chance on time
Lowest nonstop fare seen in the next two months: $184 (Southwest 1579 on 2026-11-14). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- Southwest Airlines78%
1,632 flights · 79% on time as flown · 1.0% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM90%
471 flights · avg delay 4 min
- 9 AM to noon82%
278 flights · avg delay 11 min
- Noon to 3 PM64%
300 flights · avg delay 18 min
- 3 to 6 PM61%
199 flights · avg delay 23 min
- 6 to 9 PM69%
127 flights · avg delay 22 min
- After 9 PM83%
466 flights · avg delay 10 min
Best day: Saturday (87%). Worst: Friday (73%).
Smarter routing
Nearby airports that run more on time
LAS → IAD 87% chance on time
Harry Reid International Airport to Washington Dulles International Airport · 1,130 flights a year · 45 mi from your airports · yours: 77%
Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure