Airport reliability

Santa Ana (SNA) on-time performance

How reliably flights leave Santa Ana, CA (SNA) and reach their destinations, by airline, departure hour and month, September 2025 to August 2026.

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

Santa Ana, CA45,211 departures in 12 months

Check a route

From (airport code)

To (airport code)

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

Departures on time: 80.0%
Cancelled: 1.1%
60+ minutes late: 6.2%
Scheduled departures: 45,211

What this means

SNA departures beat the U.S. average.

80.0% of the 45,211 scheduled departures from Santa Ana (SNA) arrived at their destination on time, 4.4 points higher than the U.S. average of 75.6%.
1.1% of departures were cancelled (U.S. average 1.9%), and 6.2% arrived an hour or more late.
Flights arriving at SNA were on time 80.1% of the time.
Among airlines with at least 300 departures, Alaska Airlines was the most punctual from SNA (88.6%) and SkyWest Airlines the least (71.0%).
Over the last 3 years, September was the most reliable month for departures from SNA (84.7% on time) and July the least reliable (75.2%).
Flights scheduled to depart 6 am to 7 am were the most punctual (90.6% on time); flights scheduled to depart 6 pm to 7 pm were the least (71.2%).

Airlines at SNA

Ranked by on-time arrival

Departures from SNA, September 2025 to August 2026. On time means arrived at the destination within 15 minutes of schedule.
Airline	On time	Cancelled	60+ min late	Avg delay when late	Departures
Alaska Airlines	88.6%	1.1%	2.1%	47 min	4,387
Spirit Airlines	88.2%	2.0%	4.4%	80 min	609
Southwest Airlines	82.5%	0.6%	4.3%	49 min	14,635
Delta Air Lines	80.9%	1.1%	6.5%	88 min	4,530
United Airlines	79.1%	0.7%	7.1%	78 min	6,156
American Airlines	78.5%	1.8%	7.5%	92 min	6,710
Frontier Airlines	76.0%	1.5%	8.9%	92 min	1,102
Allegiant Air	71.8%	0.9%	11.8%	131 min	1,285
SkyWest AirlinesSold as United Express, Delta Connection, American Eagle, Alaska	71.0%	1.4%	9.9%	68 min	5,797

Tap a heading to sort.

On-time rate by departure hour

6a 90.6%

7a 88.6%

8a 89.9%

9a 83.4%

10a 85.1%

11a 78.5%

12p 78.2%

1p 76.5%

2p 72.3%

3p 78.0%

4p 74.0%

5p 78.2%

6p 71.2%

7p 74.2%

8p 71.3%

9p 83.9%

Share of scheduled flights on time SNA average 80.0%

Departures from SNA by scheduled local departure hour, September 2025 to August 2026. Scale starts at zero.

Show as table

Period	On time	Flights
Departing 6 am to 7 am	90.6%	3,345
Departing 7 am to 8 am	88.6%	3,886
Departing 8 am to 9 am	89.9%	2,897
Departing 9 am to 10 am	83.4%	3,010
Departing 10 am to 11 am	85.1%	3,100
Departing 11 am to noon	78.5%	3,720
Departing noon to 1 pm	78.2%	3,543
Departing 1 pm to 2 pm	76.5%	3,085
Departing 2 pm to 3 pm	72.3%	3,154
Departing 3 pm to 4 pm	78.0%	2,267
Departing 4 pm to 5 pm	74.0%	2,609
Departing 5 pm to 6 pm	78.2%	2,520
Departing 6 pm to 7 pm	71.2%	3,139
Departing 7 pm to 8 pm	74.2%	2,618
Departing 8 pm to 9 pm	71.3%	1,349
Departing 9 pm to 10 pm	83.9%	969

Best and worst months at SNA

Jan 82.9%

Feb 83.9%

Mar 81.2%

Apr 81.6%

May 79.8%

Jun 76.5%

Jul 75.2%

Aug 79.5%

Sep 84.7%

Oct 83.8%

Nov 83.7%

Dec 82.0%

Share of scheduled flights on time 12-month average 80.0%

Departures from SNA by calendar month, September 2023 to August 2026 pooled. Scale starts at zero.

Show as table

Period	On time	Flights
January	82.9%	10,731
February	83.9%	9,937
March	81.2%	11,309
April	81.6%	10,916
May	79.8%	11,477
June	76.5%	11,318
July	75.2%	11,691
August	79.5%	11,523
September	84.7%	11,032
October	83.8%	11,392
November	83.7%	11,011
December	82.0%	11,105

Month by month, last 12 months

Sep 83.9%

Oct 82.2%

Nov 79.6%

Dec 78.3%

Jan 84.5%

Feb 84.8%

Mar 82.4%

Apr 81.6%

May 80.2%

Jun 73.5%

Jul 74.0%

Aug 76.5%

Share of scheduled flights on time U.S. average 75.6%

Departures from SNA, September 2025 to August 2026. Scale starts at zero.

Show as table

Period	On time	Flights
Sep 2025	83.9%	3,751
Oct 2025	82.2%	3,871
Nov 2025	79.6%	3,756
Dec 2025	78.3%	3,825
Jan 2026	84.5%	3,611
Feb 2026	84.8%	3,343
Mar 2026	82.4%	3,821
Apr 2026	81.6%	3,686
May 2026	80.2%	3,835
Jun 2026	73.5%	3,822
Jul 2026	74.0%	3,992
Aug 2026	76.5%	3,898

Busiest routes from SNA

Nonstop routes from SNA by scheduled flights, September 2025 to August 2026.
To	On time	Cancelled	Airlines	Flights
San Francisco (SFO)	63.7%	1.7%	4	4,771
Phoenix (PHX)	81.6%	0.8%	3	4,636
Las Vegas (LAS)	82.1%	0.7%	4	4,080
Seattle (SEA)	84.7%	1.1%	3	3,944
Denver (DEN)	82.8%	0.3%	3	3,714
Dallas/Fort Worth (DFW)	78.6%	2.7%	2	2,957
San Jose (SJC)	85.5%	0.7%	1	2,677
Oakland (OAK)	83.7%	0.6%	1	2,355
Sacramento (SMF)	85.3%	1.0%	1	2,289
Chicago (ORD)	74.6%	1.1%	2	2,164
Salt Lake City (SLC)	85.6%	0.7%	4	1,859
Portland (PDX)	92.2%	1.0%	1	1,543
Houston (IAH)	88.1%	0.0%	1	1,092
Newark (EWR)	76.0%	2.1%	1	1,091
Atlanta (ATL)	78.5%	1.0%	1	1,020
Santa Rosa (STS)	79.6%	0.5%	1	745
Minneapolis (MSP)	80.1%	1.9%	1	574
New York (JFK)	71.4%	2.8%	2	493
Provo (PVU)	72.6%	0.2%	1	412
Boise (BOI)	84.5%	1.0%	2	388

Airliner parked at a terminal gate — 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: Scheduled nonstop domestic departures from Santa Ana, CA (SNA) by airlines that report to the DOT.
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.

Independent reference site. No government or airline affiliation or endorsement.