Route on-time record

OAK to LAS: most on-time flights and the best time to fly

Oakland (Oakland San Francisco Bay Airport) to Las Vegas (Harry Reid International Airport). 3,412 nonstop flights in Jun 2025 to May 2026, 80% arrived within 15 minutes and 0.7% were cancelled. The most reliable flight number was Southwest 3536 at 5:20 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

OAK → LAS

Oakland to Las Vegas: 3,412 nonstop flights a year

On time (12 months)

80%

Cancelled

0.7%

avg delay 12 min

Best time to leave

Before 9 AM

96% on time vs 66% after 9 PM

Most reliable airline

Spirit

86% chance on time

Check OAK to LAS fares

Lowest nonstop fare seen in the next two months: $50 (Frontier 2046 on 2026-11-09). Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

#1 · Southwest 3536
5:20 AM → 6:50 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-31. Same departure also flew as Southwest 3531; its record covers all of them.
94%
chance on time
On time (history)
95%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 95% of the time (80 flights, Jun 2025 to May 2026).
- Never cancelled in 80 scheduled flights.
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; After 9 PM: 66%).
Moderate track record · 80 flights
Find Southwest 3536 fares Opens this date on Aviasales
#2 · Southwest 2140
8:40 AM → 10:10 AM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-31.
93%
chance on time
On time (history)
96%
Cancelled
1.9%
Avg arrival delay
3 min
- Arrived on time 96% of the time (53 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; After 9 PM: 66%).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (53 flights), so its score leans on the airline's record at this hour.
Limited track record · 53 flights
Find Southwest 2140 fares Opens this date on Aviasales
#3 · Southwest 3491
6:05 AM → 7:40 AM1h 35m nonstop
Local times, typical schedule. Last flown 2026-04-01.
91%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
2 min
- Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; After 9 PM: 66%).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 3491 fares Opens this date on Aviasales
#4 · Southwest 2751
7:15 AM → 8:50 AM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-29.
91%
chance on time
On time (history)
91%
Cancelled
0.0%
Avg arrival delay
17 min
- Arrived on time 91% of the time (23 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; After 9 PM: 66%).
- Short track record (23 flights), so its score leans on the airline's record at this hour.
Limited track record · 23 flights
Find Southwest 2751 fares Opens this date on Aviasales
#5 · Southwest 4060
6:50 AM → 8:20 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-06.
91%
chance on time
On time (history)
95%
Cancelled
5.0%
Avg arrival delay
2 min
- Arrived on time 95% of the time (19 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; After 9 PM: 66%).
- Short track record (19 flights), so its score leans on the airline's record at this hour.
Limited track record · 19 flights
Find Southwest 4060 fares Opens this date on Aviasales
#6 · Southwest 2274
8:05 AM → 9:35 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-04-05.
90%
chance on time
On time (history)
92%
Cancelled
0.0%
Avg arrival delay
3 min
- Arrived on time 92% of the time (13 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Before 9 AM: 96% on time; After 9 PM: 66%).
- Short track record (13 flights), so its score leans on the airline's record at this hour.
Limited track record · 13 flights
Find Southwest 2274 fares Opens this date on Aviasales
#7 · Southwest 735
9:30 AM → 11:00 AM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-27. Same departure also flew as Southwest 1233; its record covers all of them.
89%
chance on time
On time (history)
90%
Cancelled
0.0%
Avg arrival delay
7 min
- Arrived on time 90% of the time (41 flights, Jun 2025 to May 2026).
- Never cancelled in 41 scheduled flights.
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (41 flights), so its score leans on the airline's record at this hour.
Limited track record · 41 flights
Find Southwest 735 fares Opens this date on Aviasales
#8 · Southwest 2802
10:20 AM → 11:55 AM1h 35m nonstop
Local times, typical schedule. Last flown 2026-05-29. Same departure also flew as Southwest 1247; its record covers all of them.
88%
chance on time
On time (history)
94%
Cancelled
2.8%
Avg arrival delay
4 min
- Arrived on time 94% of the time (35 flights, Jun 2025 to May 2026).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (35 flights), so its score leans on the airline's record at this hour.
Limited track record · 35 flights
Find Southwest 2802 fares Opens this date on Aviasales
#9 · Southwest 2681
10:50 AM → 12:20 PM1h 30m nonstop
Local times, typical schedule. Last flown 2026-05-30. Same departure also flew as Southwest 1415; its record covers all of them.
80%
chance on time
On time (history)
75%
Cancelled
0.0%
Avg arrival delay
10 min
- Arrived on time 75% of the time (28 flights, Jun 2025 to May 2026).
- Lands inside LAS's trouble window: 51% of its 104 ground stops and delay programs started between 10 AM and 4 PM.
- Short track record (28 flights), so its score leans on the airline's record at this hour.
Limited track record · 28 flights
Find Southwest 2681 fares Opens this date on Aviasales
#10 · Southwest 2579
7:10 PM → 8:45 PM1h 35m nonstop
Local times, typical schedule. Last flown 2026-04-01.
79%
chance on time
On time (history)
100%
Cancelled
0.0%
Avg arrival delay
3 min
- Arrived on time 100% of the time (8 flights, Jun 2025 to May 2026).
- Short track record (8 flights), so its score leans on the airline's record at this hour.
Limited track record · 8 flights
Find Southwest 2579 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

Spirit Airlines86%
236 flights · 90% on time as flown · 1.1% cancel
Southwest Airlines79%
3,176 flights · 79% on time as flown · 0.7% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

Before 9 AM96%
974 flights · avg delay 4 min
9 AM to noon85%
645 flights · avg delay 9 min
Noon to 3 PM75%
551 flights · avg delay 14 min
3 to 6 PM69%
507 flights · avg delay 19 min
6 to 9 PM66%
520 flights · avg delay 18 min
After 9 PM66%
215 flights · avg delay 22 min

Best day: Tuesday (85%). Worst: Friday (73%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

What delays this route

Late-arriving aircraft43%
Airline (crew, maintenance, boarding)32%
Air traffic control and airport volume23%
Severe weather1%

Share of delay minutes by the cause airlines report to the US DOT.

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

OAK to LAS questions

What time of day is best to fly OAK to LAS?: Before 9 AM: 96% of flights arrived on time, against 66% for departures after 9 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from OAK to LAS?: Spirit, with a season-adjusted 86% chance of operating and arriving on time over 236 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on OAK to LAS?: July (71% on time); the best was November (85%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?: No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from OAK

Live status: FAA delays and ground stops

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