Route
SAN → RNO
San Diego International Airport Reno Tahoe International Airport
Alerts at SAN and RNO
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Read the story →
Watch Ground Delay Program SAN
Ground Delay Program at San Diego International Airport (SAN): Average 37 minutes, up to 1 hour and 11 minutes
Reason: airport volume
Airport status
How punctual is this route?
- On-time arrivals
- 74.4%
- Less than 15 minutes late
- Cancelled
- 1.5%
- Of scheduled flights
- Average delay when late
- 54 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,247
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 74%
- Airline (crew, maintenance, cleaning) 17%
- Air traffic control & airport 7%
- Extreme weather 1%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 74.0% | 78 |
| October 2025 | 77.6% | 87 |
| November 2025 | 79.1% | 119 |
| December 2025 | 76.4% | 131 |
| January 2026 | 88.0% | 76 |
| February 2026 | 87.2% | 88 |
| March 2026 | 81.3% | 92 |
| April 2026 | 63.6% | 77 |
| May 2026 | 75.7% | 109 |
| June 2026 | 67.7% | 130 |
| July 2026 | 65.2% | 133 |
| August 2026 | 66.1% | 127 |
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 |
|---|---|---|---|---|
| Southwest Airlines | 969 | 70.5% | 0.8% | 54 min |
| SkyWest Airlines | 277 | 88.3% | 4.0% | 59 min |
| NK | 1 | 100.0% | 0.0% | — |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
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OO3253
17% late · 121 flights
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OO3307
12% late · 84 flights
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OO3110
3% late · 70 flights
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WN1944
17% late · 60 flights
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WN4875
69% late · 60 flights
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WN1897
10% late · 58 flights
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WN3195
31% late · 58 flights
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WN345
12% late · 58 flights
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WN766
35% late · 54 flights
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WN3152
5% late · 42 flights
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WN3892
30% late · 33 flights
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WN2958
18% late · 28 flights
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WN1283
11% late · 27 flights
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WN2593
81% late · 27 flights
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WN3339
22% late · 27 flights
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WN4208
46% late · 27 flights
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WN4954
37% late · 27 flights
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WN1312
0% late · 25 flights
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WN1491
83% late · 24 flights
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WN4248
38% late · 22 flights
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WN3302
38% late · 21 flights
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