Airport month record
SNAJUN
John Wayne Airport in June 2026
- Departures
- 3,822
- Month
- June 2026
- National, same month
- 74.3%
- Carriers
- 8
Historical statistics for June 2026, not live status or a forecast for this year’s June. For today’s conditions at SNA, see live FAA status.
SNA in June sits in the middle of the pack with a B. Close to three flights in four arrive on time by the DOT's definition, about a point better than the national rate of 74.3%. The late ones land a little over an hour behind schedule. That rests on 3,822 flights, of which Delta Air Lines flew 367 at 80.1% on time.
Delta Air Lines is the most reliable of the five carriers covered here at 80.1% on time across 367 flights.
Key figures
On time
75.1%
Arrivals under 15 minutes late, of 3,742 completed departures
Avg delay
75 min
Across delayed arrivals only, not all flights
Cancelled
1.05%
Nationally in June: 1.65%
Whole year
81.5%
SNA across all twelve months
These figures cover 3,822 departures from John Wayne Airport in June 2026. On time means an arrival less than 15 minutes after the scheduled gate time, the DOT's threshold, and the national comparison uses every US departure in the same month rather than the whole year.
Against the year
June next to SNA's other months
Against SNA's own year, June ran 6 points worse than the twelve-month rate of 81.5%, which makes it the worst of the twelve months in the data.
| Month | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| July 2025 | 4,002 | 75.7% | 72 min | 1.42% | B |
| August 2025 | 3,918 | 80.6% | 74 min | 1.02% | B |
| September 2025 | 3,751 | 84.7% | 64 min | 0.59% | B+ |
| October 2025 | 3,871 | 82.9% | 74 min | 0.59% | B+ |
| November 2025 | 3,756 | 80.8% | 77 min | 1.46% | B |
| December 2025 | 3,825 | 79.4% | 74 min | 1.15% | B |
| January 2026 | 3,611 | 86.5% | 77 min | 2.13% | A |
| February 2026 | 3,343 | 85.7% | 73 min | 0.93% | A+ |
| March 2026 | 3,821 | 83.8% | 66 min | 1.20% | B |
| April 2026 | 3,686 | 82.5% | 69 min | 0.81% | B+ |
| May 2026 | 3,835 | 81.3% | 67 min | 0.78% | B+ |
| June 2026 (this page) | 3,822 | 75.1% | 75 min | 1.05% | B |
Departure window
The best time of day to leave SNA in June
Departure time matters more here than the choice of carrier. The gap between the best and worst window is 29 points, against 21 points between the best and worst carrier. Each bar is the on-time rate for flights scheduled inside that window.
- 5am–8am614 flights92.7%
- 8am–11am743 flights82.8%
- 11am–2pm780 flights74.0%
- 2pm–5pm704 flights68.5%
- 5pm–8pm685 flights64.2%
- 8pm–5am296 flights63.7%
Scale runs 55% to 100%. Rows with fewer than 30 flights show a dash.
The 8pm–5am window is where this operation falls apart: 63.7% on time, against 92.7% for the 5am–8am slot. By evening the aircraft flying these rotations have absorbed a full day of small delays and there is no slack left to recover in. The 11am–2pm window is the busiest, with 780 flights scheduled in it.
Across the week, Saturday is the strongest day at 80.8% on time and Sunday the weakest at 67.4%. 13 points is a smaller lever than departure hour, but it is free.
Carrier by carrier
Which airlines ran best at SNA in June
The choice of carrier is not cosmetic here. Delta Air Lines arrives on time 80.1% of the time; SkyWest Airlines manages 58.9%. Sample sizes sit next to every figure, because a two-point gap across 514 flights means less than a ten-point one.
| Airline | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| Southwest Airlines | 1,222 | 76.7% | 52 min | 0.74% | B+ |
| American Airlines | 582 | 78.7% | 91 min | 2.92% | B |
| United Airlines | 532 | 78.1% | 92 min | 0.56% | B+ |
| SkyWest Airlines | 514 | 58.9% | 61 min | 0.78% | D+ |
| Delta Air Lines | 367 | 80.1% | 106 min | 0.82% | B+ |
| Alaska Airlinesthin sample | 356 | 86.2% | 44 min | 0.28% | A+ |
| Allegiant Airthin sample | 157 | 54.5% | 140 min | 0.64% | F+ |
| Frontier Airlinesthin sample | 92 | 75.6% | 106 min | 2.17% | B |
The spread between Delta and SkyWest is 21 points, wide enough that it should decide the booking. On a hundred trips that is 21 more arrivals inside the on-time window.
Route by route
Busiest routes out of SNA in June
| Route | Flights | On time | Avg delay | Cancelled | Grade |
|---|---|---|---|---|---|
| SNA to PHX · Phoenix | 403 | 81.2% | 52 min | 0.74% | B+ |
| SNA to SFO · San Francisco | 388 | 42.7% | 56 min | 1.03% | F |
| SNA to SEA · Seattlethin sample | 354 | 80.5% | 47 min | 0.28% | B+ |
| SNA to DEN · Denverthin sample | 327 | 79.2% | 63 min | 0.00% | B+ |
| SNA to LAS · Las Vegasthin sample | 286 | 78.4% | 92 min | 1.40% | B |
| SNA to DFW · Dallas-Fort Worththin sample | 269 | 76.9% | 91 min | 5.20% | B− |
| SNA to SJC · San Josethin sample | 224 | 78.2% | 50 min | 1.79% | B |
| SNA to OAK · Oaklandthin sample | 204 | 71.4% | 55 min | 0.49% | C+ |
| SNA to SMF · Sacramentothin sample | 189 | 82.4% | 51 min | 0.53% | B+ |
| SNA to ORD · Chicagothin sample | 176 | 72.5% | 86 min | 1.14% | C |
| SNA to SLC · Salt Lake Citythin sample | 144 | 86.7% | 127 min | 0.69% | A+ |
| SNA to PDX · Portlandthin sample | 118 | 91.5% | 43 min | 0.00% | A+ |
| SNA to ATL · Atlantathin sample | 90 | 85.1% | 104 min | 1.11% | A |
| SNA to IAH · Houstonthin sample | 90 | 80.0% | 68 min | 0.00% | B+ |
| SNA to EWR · Newarkthin sample | 90 | 85.9% | 282 min | 2.22% | A |
| SNA to JFK · New Yorkthin sample | 60 | 75.0% | 267 min | 1.67% | B |
| SNA to STS · Santa Rosathin sample | 60 | 78.3% | 40 min | 0.00% | B+ |
| SNA to MSP · Minneapolisthin sample | 47 | 91.5% | 51 min | 0.00% | A+ |
| SNA to PVU · Provothin sample | 43 | 40.5% | 175 min | 2.33% | F |
| SNA to BOI · Boisethin sample | 42 | 85.7% | 85 min | 0.00% | A+ |
| SNA to AUS · Austinthin sample | 30 | 83.3% | 43 min | 0.00% | B+ |
| SNA to CLT · Charlottethin sample | 30 | 93.3% | 35 min | 0.00% | A+ |
| SNA to DAL · Dallasthin sample | 30 | 76.7% | 63 min | 0.00% | B+ |
Delay causes
What held SNA up in June
Carriers report a reason for every delay minute they cause, in five DOT categories. The split below is by minutes, not by number of flights, so a handful of very long weather delays weighs as much as many short ones. It covers 70,000 reported delay minutes.
- 37%Late-arriving aircraft
- 34%Carrier
- 23%National Airspace System
- 5%Extreme weather
- 0%Security
37% of delay minutes trace back to a late-arriving aircraft, meaning the plane was already behind before it got here. That is a cascade, and cascades start small and grow through the day. Across 70,000 reported delay minutes here, that single category outweighs weather by 7 to one. It is the strongest argument for booking the first departure of the morning, when the aircraft has been sitting at the gate overnight with nothing to inherit. The split is drawn from 70,027 reported delay minutes.
Cancellations sit at 1.05% against a national 1.65%, which is ordinary. Diversions add another 1.05%.
8.7% of arrivals land an hour or more late, close to the national 9.7%. That is the figure that decides a connection, and it says a 60 to 75 minute layover is reasonable here while anything under 45 minutes is a bet. Most delays on this route last a little over an hour, which a normal layover absorbs.
What to do with this
Flying from SNA in June
For a June trip through SNA: plan on this being one of the airport's harder months. The 5am–8am departures held up best at 92.7% on time, and with 8.7% of arrivals an hour or more late, a connection here deserves more slack than the same trip in January would.
Related
Where to go next
- John Wayne Airport (SNA), the whole year
- SNA in July75.7%
- SNA in August80.6%
- SNA in September84.7%
- SNA in October82.9%
- SNA in November80.8%
- SNA in December79.4%
- SNA in January86.5%
- SNA in February85.7%
- SNA in March83.8%
- SNA in April82.5%
- SNA in May81.3%
Source: US DOT Bureau of Transportation Statistics, on-time performance data, July 2025 to June 2026. Last updated 15 September 2026; recomputed monthly. How this data is collected.