Route
SFO → SNA
San Francisco International Airport John Wayne Orange County International Airport
Alerts at SFO and SNA
-
Advisory Airport Closure SNA
Airport Closure at John Wayne Orange County International Airport (SNA): Reopens Nov 08 at 14:15 UTC.
Airport status
How punctual is this route?
- On-time arrivals
- 77.4%
- Less than 15 minutes late
- Cancelled
- 1.4%
- Of scheduled flights
- Average delay when late
- 65 min
- Flights arriving 15+ minutes late
- Flights tracked
- 4,701
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 42%
- Air traffic control & airport 34%
- Airline (crew, maintenance, cleaning) 19%
- Extreme weather 5%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 88.3% | 436 |
| October 2025 | 82.2% | 448 |
| November 2025 | 81.6% | 445 |
| December 2025 | 78.3% | 394 |
| January 2026 | 87.8% | 377 |
| February 2026 | 84.5% | 319 |
| March 2026 | 89.8% | 345 |
| April 2026 | 72.4% | 368 |
| May 2026 | 65.6% | 400 |
| June 2026 | 68.9% | 373 |
| July 2026 | 62.5% | 387 |
| August 2026 | 66.3% | 409 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| SkyWest Airlines | 3,497 | 76.9% | 1.7% | 65 min |
| United Airlines | 1,012 | 82.5% | 0.3% | 58 min |
| Frontier Airlines | 154 | 63.3% | 2.6% | 91 min |
| Alaska Airlines | 38 | 32.4% | 2.6% | 58 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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OO5440
23% late · 360 flights
-
UA589
12% late · 323 flights
-
UA643
21% late · 297 flights
-
OO3494
19% late · 286 flights
-
OO3450
24% late · 280 flights
-
OO3465
22% late · 246 flights
-
OO3492
31% late · 238 flights
-
OO5650
31% late · 237 flights
-
OO3440
8% late · 217 flights
-
OO5937
11% late · 216 flights
-
OO3216
29% late · 150 flights
-
OO3380
1% late · 87 flights
-
OO5236
15% late · 82 flights
-
UA571
27% late · 82 flights
-
F94202
29% late · 78 flights
-
F93582
44% late · 76 flights
-
UA2441
22% late · 74 flights
-
OO3404
22% late · 71 flights
-
OO3244
5% late · 62 flights
-
OO3237
87% late · 61 flights
-
OO4777
13% late · 55 flights
-
UA1630
15% late · 55 flights
-
OO3464
24% late · 53 flights
-
OO5617
23% late · 53 flights
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