Route Reliability

Route reliability

Las Vegas (LAS) to Sacramento (SMF): which airline is most on time?

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

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

Las Vegas, NVSacramento, CA

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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

LAS to SMF

Las Vegas, NV to Sacramento, CA

On time
77.3%vs 75.6% U.S. average Better than average
Cancelled
0.5%vs 1.9% U.S. average Better than average
60+ min late
7.1%vs 8.1% U.S. average About average
Scheduled flights
4,005in 12 months4 airlines
Most reliable airline
SkyWest Airlines88.4% on time · 242 flights

On time more often than 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 LAS to SMF, 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. SkyWest Airlines Operating carrier; sold as United Express, Delta Connection, American Eagle, Alaska Most reliable 88.4% 2.5% 4.5% 96 min 0.0% 242
2. Spirit Airlines 79.1% 0.0% 13.4% 108 min 0.0% 67
3. Southwest Airlines 76.5% 0.4% 6.9% 52 min 0.0% 3,460
4. Frontier Airlines 76.3% 1.3% 10.2% 70 min 0.0% 236

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

SkyWest Airlines has the strongest record on this route.

  • SkyWest Airlines had the best on-time record from Las Vegas (LAS) to Sacramento (SMF): 88.4% of its 242 scheduled flights arrived within 15 minutes of schedule, compared with 76.3% for Frontier Airlines.
  • 0.5% of flights on this route were cancelled (about 1 in 200), 1.4 points lower than the U.S. average of 1.9%.
  • 7.1% of flights, about 1 in 14, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 55 min.
  • Overall, 77.3% of flights on this route arrived on time, 1.7 points higher than the U.S. average of 75.6%.
  • Over the last 3 years, November was the most reliable month on this route (84.9% on time) and July the least reliable (71.1%).
  • Flights scheduled to depart before 6 am were the most punctual (99.1% on time); flights scheduled to depart 7 pm to 8 pm were the least (58.6%).
  • In the other direction, Sacramento (SMF) to Las Vegas (LAS), 78.3% of flights were on time and 0.6% were cancelled. Compare airlines SMF to LAS.

Best and worst months to fly LAS to SMF

Jan 83.7%
Feb 81.4%
Mar 79.3%
Apr 80.1%
May 77.3%
Jun 73.4%
Jul 71.1%
Aug 77.8%
Sep 76.5%
Oct 78.2%
Nov 84.9%
Dec 84.5%
Share of scheduled flights on time 12-month average 77.3%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 83.7% 1,173
February 81.4% 1,093
March 79.3% 1,234
April 80.1% 1,243
May 77.3% 1,282
June 73.4% 1,248
July 71.1% 1,275
August 77.8% 1,259
September 76.5% 1,347
October 78.2% 1,391
November 84.9% 1,303
December 84.5% 1,288
Best and worst calendar month by airline, September 2023 to August 2026.
AirlineBest monthWorst month
SkyWest Airlines April (89.7%) October (73.0%)
Spirit Airlines January (91.2%) July (68.9%)
Southwest Airlines November (85.3%) July (70.0%)

Month by month, last 12 months

Sep 77.6%
Oct 74.8%
Nov 81.7%
Dec 82.2%
Jan 81.3%
Feb 86.2%
Mar 81.4%
Apr 76.9%
May 70.2%
Jun 69.3%
Jul 75.3%
Aug 71.7%
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 77.6% 407
Oct 2025 74.8% 381
Nov 2025 81.7% 356
Dec 2025 82.2% 354
Jan 2026 81.3% 294
Feb 2026 86.2% 275
Mar 2026 81.4% 318
Apr 2026 76.9% 312
May 2026 70.2% 332
Jun 2026 69.3% 326
Jul 2026 75.3% 336
Aug 2026 71.7% 314

Best and worst departure times

<6a 99.1%
6a 92.8%
7a 93.7%
8a 92.6%
9a 90.2%
10a 85.1%
11a 86.6%
12p 78.6%
1p 85.0%
2p 69.6%
3p 64.8%
4p 70.2%
5p 76.1%
6p 61.0%
7p 58.6%
8p 66.9%
9p 63.1%
10p 61.7%
Share of scheduled flights on time
By scheduled local departure hour at LAS, 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 99.1% 117
Departing 6 am to 7 am 92.8% 276
Departing 7 am to 8 am 93.7% 318
Departing 8 am to 9 am 92.6% 190
Departing 9 am to 10 am 90.2% 132
Departing 10 am to 11 am 85.1% 268
Departing 11 am to noon 86.6% 247
Departing noon to 1 pm 78.6% 238
Departing 1 pm to 2 pm 85.0% 147
Departing 2 pm to 3 pm 69.6% 224
Departing 3 pm to 4 pm 64.8% 250
Departing 4 pm to 5 pm 70.2% 205
Departing 5 pm to 6 pm 76.1% 398
Departing 6 pm to 7 pm 61.0% 205
Departing 7 pm to 8 pm 58.6% 370
Departing 8 pm to 9 pm 66.9% 151
Departing 9 pm to 10 pm 63.1% 141
Departing 10 pm to 11 pm 61.7% 128
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 Las Vegas, NV (LAS) to Sacramento, CA (SMF), 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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