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Route

SMF → SAN

Sacramento International Airport San Diego International Airport

  • 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

    Read the story →
  • Advisory Coastal Flood Advisory CLD, SAN, SNA

    COASTAL FLOOD ADVISORY IN EFFECT FROM 4 AM FRIDAY TO NOON PST TUESDAY

    Weather

How punctual is this route?

On-time arrivals
69.8%
Less than 15 minutes late
Cancelled
1.0%
Of scheduled flights
Average delay when late
51 min
Flights arriving 15+ minutes late
Flights tracked
5,179
Scheduled flights in the period

What caused the delays

  • Late-arriving aircraft 41%
  • Air traffic control & airport 36%
  • Airline (crew, maintenance, cleaning) 21%
  • Extreme weather 1%
  • Security 0%

Share of delay minutes airlines attributed to each cause (BTS).

On-time arrivals by month
Sep 2025 Aug 2026
Show as table
MonthOn timeFlights
September 2025 80.0% 416
October 2025 72.4% 424
November 2025 69.0% 440
December 2025 66.7% 399
January 2026 76.6% 375
February 2026 76.9% 383
March 2026 80.7% 469
April 2026 76.8% 452
May 2026 69.1% 466
June 2026 62.6% 450
July 2026 58.0% 463
August 2026 51.4% 442

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

AirlineFlightsOn timeCancelledAvg. delay when late
Southwest Airlines 3,794 67.1% 0.6% 51 min
SkyWest Airlines 1,138 75.6% 2.0% 54 min
Alaska Airlines 247 84.6% 2.8% 43 min

Delay odds by flight

How often each flight number arrived 15 or more minutes late over the last year.

  • OO3439

    25% late · 228 flights

  • OO3410

    35% late · 136 flights

  • OO3368

    15% late · 133 flights

  • OO3006

    14% late · 131 flights

  • OO3398

    8% late · 106 flights

  • OO3015

    33% late · 100 flights

  • AS1340

    12% late · 78 flights

  • AS1680

    23% late · 70 flights

  • OO3036

    46% late · 69 flights

  • WN3138

    21% late · 64 flights

  • WN2375

    43% late · 60 flights

  • WN3658

    47% late · 60 flights

  • WN4032

    31% late · 59 flights

  • WN332

    28% late · 58 flights

  • WN4082

    38% late · 58 flights

  • WN443

    7% late · 58 flights

  • WN1772

    35% late · 57 flights

  • WN3260

    7% late · 57 flights

  • WN1264

    11% late · 55 flights

  • WN3671

    25% late · 53 flights

  • WN3674

    32% late · 53 flights

  • WN1460

    25% late · 52 flights

  • WN2216

    58% late · 50 flights

  • WN2235

    34% late · 50 flights

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