Route Reliability

Route reliability

Las Vegas (LAS) to Santa Ana (SNA): 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 Santa Ana, CA (SNA), September 2025 to August 2026.

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

Las Vegas, NVSanta Ana, 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 SNA

Las Vegas, NV to Santa Ana, CA

On time
80.6%vs 75.6% U.S. average Better than average
Cancelled
0.7%vs 1.9% U.S. average Better than average
60+ min late
4.8%vs 8.1% U.S. average Better than average
Scheduled flights
4,085in 12 months4 airlines
Most reliable airline
Spirit Airlines87.4% on time · 605 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 SNA, 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. Spirit Airlines Most reliable 87.4% 1.8% 2.6% 70 min 0.0% 605
2. SkyWest Airlines Operating carrier; sold as United Express, Delta Connection, American Eagle, Alaska 86.4% 0.6% 4.8% 80 min 0.1% 726
3. Frontier Airlines Small sample (under 300 flights) 81.8% 0.4% 5.5% 58 min 0.0% 236
4. Southwest Airlines 77.2% 0.6% 5.2% 48 min 0.2% 2,518

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

Spirit Airlines has the strongest record on this route.

  • Spirit Airlines had the best on-time record from Las Vegas (LAS) to Santa Ana (SNA): 87.4% of its 605 scheduled flights arrived within 15 minutes of schedule, compared with 77.2% for Southwest Airlines.
  • 0.7% of flights on this route were cancelled (about 1 in 143), 1.2 points lower than the U.S. average of 1.9%.
  • 4.8% of flights, about 1 in 21, arrived an hour or more late. When a flight was late (15+ minutes), the average arrival delay was 54 min.
  • Overall, 80.6% of flights on this route arrived on time, 5.0 points higher than the U.S. average of 75.6%.
  • Over the last 3 years, January was the most reliable month on this route (84.8% on time) and June the least reliable (75.4%).
  • Flights scheduled to depart 7 am to 8 am were the most punctual (91.5% on time); flights scheduled to depart 2 pm to 3 pm were the least (67.4%).
  • In the other direction, Santa Ana (SNA) to Las Vegas (LAS), 82.1% of flights were on time and 0.7% were cancelled. Compare airlines SNA to LAS.

Best and worst months to fly LAS to SNA

Jan 84.8%
Feb 81.6%
Mar 80.5%
Apr 82.9%
May 81.8%
Jun 75.4%
Jul 76.4%
Aug 78.9%
Sep 76.9%
Oct 80.4%
Nov 84.4%
Dec 83.6%
Share of scheduled flights on time 12-month average 80.6%
All airlines combined, by calendar month, September 2023 to August 2026 (3 years pooled). Scale starts at zero.
Show as table
PeriodOn timeFlights
January 84.8% 1,038
February 81.6% 966
March 80.5% 1,101
April 82.9% 1,032
May 81.8% 1,009
June 75.4% 1,002
July 76.4% 1,035
August 78.9% 994
September 76.9% 989
October 80.4% 1,011
November 84.4% 1,019
December 83.6% 1,041
Best and worst calendar month by airline, September 2023 to August 2026.
AirlineBest monthWorst month
Spirit Airlines November (90.7%) July (74.2%)
SkyWest Airlines April (89.7%) September (75.0%)
Frontier Airlines May (96.6%) August (69.8%)
Southwest Airlines January (83.8%) June (71.2%)

Month by month, last 12 months

Sep 76.4%
Oct 83.3%
Nov 79.1%
Dec 81.3%
Jan 88.8%
Feb 84.7%
Mar 83.6%
Apr 82.5%
May 78.7%
Jun 74.1%
Jul 78.0%
Aug 73.6%
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 76.4% 347
Oct 2025 83.3% 354
Nov 2025 79.1% 358
Dec 2025 81.3% 363
Jan 2026 88.8% 358
Feb 2026 84.7% 339
Mar 2026 83.6% 390
Apr 2026 82.5% 365
May 2026 78.7% 305
Jun 2026 74.1% 286
Jul 2026 78.0% 313
Aug 2026 73.6% 307

Best and worst departure times

6a Insufficient sample
7a 91.5%
8a 89.0%
9a 85.4%
10a 83.0%
11a 81.6%
12p 76.3%
1p 82.8%
2p 67.4%
3p 83.2%
4p 74.6%
5p 72.3%
6p 72.3%
7p 78.9%
8p 77.8%
9p 84.4%
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 6 am to 7 am Insufficient sample 29
Departing 7 am to 8 am 91.5% 282
Departing 8 am to 9 am 89.0% 426
Departing 9 am to 10 am 85.4% 301
Departing 10 am to 11 am 83.0% 206
Departing 11 am to noon 81.6% 342
Departing noon to 1 pm 76.3% 173
Departing 1 pm to 2 pm 82.8% 209
Departing 2 pm to 3 pm 67.4% 218
Departing 3 pm to 4 pm 83.2% 303
Departing 4 pm to 5 pm 74.6% 228
Departing 5 pm to 6 pm 72.3% 235
Departing 6 pm to 7 pm 72.3% 365
Departing 7 pm to 8 pm 78.9% 270
Departing 8 pm to 9 pm 77.8% 325
Departing 9 pm to 10 pm 84.4% 173
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 Santa Ana, CA (SNA), 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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