Route
RNO → SAN
Reno Tahoe International Airport San Diego International Airport
Alerts at RNO and SAN
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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
- 70.1%
- Less than 15 minutes late
- Cancelled
- 1.3%
- Of scheduled flights
- Average delay when late
- 56 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,248
- Scheduled flights in the period
What caused the delays
- Air traffic control & airport 40%
- Late-arriving aircraft 40%
- Airline (crew, maintenance, cleaning) 17%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 80.3% | 78 |
| October 2025 | 72.9% | 86 |
| November 2025 | 72.6% | 120 |
| December 2025 | 74.2% | 131 |
| January 2026 | 84.0% | 77 |
| February 2026 | 80.2% | 87 |
| March 2026 | 67.4% | 93 |
| April 2026 | 75.0% | 76 |
| May 2026 | 72.0% | 109 |
| June 2026 | 62.0% | 131 |
| July 2026 | 63.6% | 133 |
| August 2026 | 52.4% | 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 | 68.6% | 0.6% | 52 min |
| SkyWest Airlines | 278 | 75.0% | 3.6% | 72 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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OO3252
10% late · 108 flights
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OO3307
30% late · 100 flights
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WN4806
11% late · 84 flights
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OO3111
40% late · 70 flights
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WN4193
41% late · 60 flights
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WN3320
33% late · 58 flights
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WN4027
29% late · 58 flights
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WN945
9% late · 55 flights
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WN3336
35% late · 53 flights
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WN4485
62% late · 52 flights
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WN4192
20% late · 46 flights
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WN3506
43% late · 36 flights
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WN494
14% late · 36 flights
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WN3376
39% late · 28 flights
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WN4325
7% late · 28 flights
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WN4410
39% late · 28 flights
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WN4588
54% late · 28 flights
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WN2617
31% late · 27 flights
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WN3454
59% late · 27 flights
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WN3377
71% late · 24 flights
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WN1860
9% late · 23 flights
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WN3167
5% late · 21 flights
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WN4532
45% late · 20 flights
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