Route Reliability

Route reliability

Oakland (OAK) to Las Vegas (LAS): which airline is most on time?

On-time arrivals, cancellations and long delays for every airline that reported nonstop flights from Oakland, CA (OAK) to Las Vegas, NV (LAS), September 2025 to August 2026.

Historical performance Official DOT data through August 2026 · Not live flight status

Oakland, CALas Vegas, NV

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Three-letter airport codes, nonstop U.S. domestic flights. One direction at a time.

Route at a glance · September 2025 to August 2026

OAK to LAS

Oakland, CA to Las Vegas, NV

On time
75.9%vs 75.6% U.S. average About average
Cancelled
0.6%vs 1.9% U.S. average Better than average
60+ min late
6.8%vs 8.1% U.S. average Better than average
Scheduled flights
3,264in 12 months3 airlines
Only rated airline
Southwest Airlines75.8% on time · 3,203 flights

On time about as often as the U.S. average, with fewer cancellations.

Compared with all U.S. flights, September 2025 to August 2026. “About average” means within 1.5 points for on time, 0.3 for cancelled and 1 for 60+ minutes late.

Airlines on this route

Ranked by on-time arrival

Airlines from OAK to LAS, September 2025 to August 2026. Rates are shares of all scheduled flights.
Airline On time Cancelled 60+ min late Avg delay when late Diverted Flights
1. Southwest Airlines 75.8% 0.6% 6.8% 53 min 0.1% 3,203
Spirit Airlines Insufficient sample (fewer than 50 flights) 41
Frontier Airlines Insufficient sample (fewer than 50 flights) 20

On time = arrived within 15 minutes of schedule. Avg delay when late = average arrival delay of flights 15+ minutes late. "Most reliable" needs at least 300 flights in 12 months. Tap a heading to sort.

What this means

How OAK to LAS compares.

  • Southwest Airlines was the only airline with enough flights on this route to rate (3,203 flights). 75.8% of them arrived within 15 minutes of schedule.
  • Spirit Airlines, Frontier Airlines also flew this route but with fewer than 50 reported flights, too few to rate.
  • 0.6% of flights on this route were cancelled (about 1 in 167), 1.3 points lower than the U.S. average of 1.9%.
  • 6.8% of flights, about 1 in 15, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 54 min.
  • Overall, 75.9% of flights on this route arrived on time, about the same as the U.S. average of 75.6%.
  • Over the last 3 years, November was the most reliable month on this route (83.9% on time) and July the least reliable (71.7%).
  • Flights scheduled to depart before 6 am were the most punctual (96.3% on time); flights scheduled to depart 9 pm to 10 pm were the least (54.8%).
  • In the other direction, Las Vegas (LAS) to Oakland (OAK), 71.3% of flights were on time and 0.4% were cancelled. Compare airlines LAS to OAK.

Best and worst months to fly OAK to LAS

Jan 81.7%
Feb 79.7%
Mar 78.5%
Apr 79.9%
May 77.5%
Jun 77.0%
Jul 71.7%
Aug 77.2%
Sep 76.5%
Oct 80.5%
Nov 83.9%
Dec 80.8%
Share of scheduled flights on time 12-month average 75.9%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 81.7% 1,008
February 79.7% 925
March 78.5% 998
April 79.9% 996
May 77.5% 1,069
June 77.0% 1,051
July 71.7% 1,064
August 77.2% 1,028
September 76.5% 1,125
October 80.5% 1,102
November 83.9% 1,053
December 80.8% 1,070

Month by month, last 12 months

Sep 79.3%
Oct 75.5%
Nov 80.8%
Dec 81.9%
Jan 84.4%
Feb 80.1%
Mar 78.6%
Apr 74.3%
May 71.2%
Jun 65.1%
Jul 70.5%
Aug 73.4%
Share of scheduled flights on time U.S. average 75.6%
All airlines combined, September 2025 to August 2026. Scale starts at zero.
Show as table
PeriodOn timeFlights
Sep 2025 79.3% 300
Oct 2025 75.5% 265
Nov 2025 80.8% 245
Dec 2025 81.9% 248
Jan 2026 84.4% 237
Feb 2026 80.1% 236
Mar 2026 78.6% 285
Apr 2026 74.3% 272
May 2026 71.2% 285
Jun 2026 65.1% 289
Jul 2026 70.5% 305
Aug 2026 73.4% 297

Best and worst departure times

<6a 96.3%
6a 92.5%
7a 92.9%
8a 92.8%
9a 90.6%
10a 80.7%
11a 78.4%
12p 72.4%
1p 70.9%
2p 70.1%
3p 67.8%
4p 62.3%
5p 65.4%
6p 61.3%
7p 67.2%
8p 57.6%
9p 54.8%
10p Insufficient sample
Share of scheduled flights on time
By scheduled local departure hour at OAK, September 2025 to August 2026. Hours with no scheduled flights are omitted. Scale starts at zero.
Show as table
PeriodOn timeFlights
Departing before 6 am 96.3% 273
Departing 6 am to 7 am 92.5% 174
Departing 7 am to 8 am 92.9% 239
Departing 8 am to 9 am 92.8% 167
Departing 9 am to 10 am 90.6% 202
Departing 10 am to 11 am 80.7% 274
Departing 11 am to noon 78.4% 167
Departing noon to 1 pm 72.4% 152
Departing 1 pm to 2 pm 70.9% 223
Departing 2 pm to 3 pm 70.1% 174
Departing 3 pm to 4 pm 67.8% 118
Departing 4 pm to 5 pm 62.3% 175
Departing 5 pm to 6 pm 65.4% 179
Departing 6 pm to 7 pm 61.3% 186
Departing 7 pm to 8 pm 67.2% 125
Departing 8 pm to 9 pm 57.6% 224
Departing 9 pm to 10 pm 54.8% 166
Departing 10 pm to 11 pm Insufficient sample 46
Woman at an airport window watching a plane take off
Photo: Depositphotos (licensed stock, illustrative only). Credits

Sources & data dates

Source
U.S. DOT Bureau of Transportation Statistics, Reporting Carrier On-Time Performance (1987-present)
Period
September 2025 to August 2026 (12 months); month-of-year patterns September 2023 to August 2026
Data through
August 2026
Processed
2026-11-03
Scope
Nonstop scheduled flights from Oakland, CA (OAK) to Las Vegas, NV (LAS), one direction. Airlines that report to the DOT only.
Method
Rates use all scheduled flights as the denominator; cancelled and diverted flights count as not on time. Figures based on fewer than 50 scheduled flights are suppressed. Full methodology.

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