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Route on-time record

SAN to RNO: most on-time flights and the best time to fly

San Diego (San Diego International Airport) to Reno (Reno Tahoe International Airport). 1,115 nonstop flights in Jun 2025 to May 2026, 78% arrived within 15 minutes and 1.3% were cancelled. The most reliable flight number was Southwest 1897 at 10:45 AM.

Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.

SAN → RNO

San Diego to Reno: 1,115 nonstop flights a year

On time (12 months)

78%

Cancelled

1.3%

avg delay 12 min

Best time to leave

Before 9 AM

93% on time vs 56% 3 to 6 PM

Most reliable airline

SkyWest

80% chance on time

Check SAN to RNO fares

Fares open on our travel partner (Aviasales). Pick the flight number you chose here.

Most reliable nonstop flights

Ranked by the chance the flight operates and arrives within 15 minutes of schedule, from Jun 2025 to May 2026 records.

  1. #1 · Southwest 1897

    10:45 AM → 12:20 PM1h 45m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    88%

    chance on time

    On time (history)
    89%
    Cancelled
    0.0%
    Avg arrival delay
    6 min
    • Arrived on time 89% of the time (55 flights, Jun 2025 to May 2026).
    • Never cancelled in 55 scheduled flights.
    • Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
    • Short track record (55 flights), so its score leans on the airline's record at this hour.

    Limited track record · 55 flights

    Find Southwest 1897 fares Opens this date on Aviasales

  2. #2 · SkyWest 3307 · sold as United Express, Delta Connection, American Eagle or Alaska

    9:04 AM → 11:00 AM1h 56m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    84%

    chance on time

    On time (history)
    87%
    Cancelled
    3.8%
    Avg arrival delay
    10 min
    • Arrived on time 87% of the time (76 flights, Jun 2025 to May 2026).
    • Cancelled 3.8% of the time (3 of 79).
    • Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
    • 62% of its delay minutes came from the plane arriving late from an earlier flight.

    Moderate track record · 76 flights

    Find 9:04 AM flight fares Opens this date on Aviasales

  3. #3 · Southwest 2958

    8:40 AM → 10:30 AM1h 50m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    83%

    chance on time

    On time (history)
    82%
    Cancelled
    0.0%
    Avg arrival delay
    9 min
    • Arrived on time 82% of the time (28 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 93% on time; 3 to 6 PM: 56%).
    • Departs inside SAN's trouble window: 66% of its 164 ground stops and delay programs started between 6 AM and noon.
    • Short track record (28 flights), so its score leans on the airline's record at this hour.

    Limited track record · 28 flights

    Find Southwest 2958 fares Opens this date on Aviasales

  4. #4 · SkyWest 3253 · sold as United Express, Delta Connection, American Eagle or Alaska

    9:09 PM → 11:02 PM1h 53m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    78%

    chance on time

    On time (history)
    83%
    Cancelled
    6.2%
    Avg arrival delay
    8 min
    • Arrived on time 83% of the time (105 flights, Jun 2025 to May 2026).
    • Cancelled 6.2% of the time (7 of 113).
    • Departs outside SAN's trouble window (6 AM to noon, when 66% of its 164 ground stops and delay programs started).

    Moderate track record · 105 flights

    Find 9:09 PM flight fares Opens this date on Aviasales

  5. #5 · Southwest 3892

    9:30 PM → 11:15 PM1h 45m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    71%

    chance on time

    On time (history)
    70%
    Cancelled
    0.0%
    Avg arrival delay
    14 min
    • Arrived on time 70% of the time (33 flights, Jun 2025 to May 2026).
    • Never cancelled in 33 scheduled flights.
    • Departs outside SAN's trouble window (6 AM to noon, when 66% of its 164 ground stops and delay programs started).
    • 64% of its delay minutes came from the plane arriving late from an earlier flight.

    Limited track record · 33 flights

    Find Southwest 3892 fares Opens this date on Aviasales

  6. #6 · Southwest 3195

    8:55 PM → 10:30 PM1h 35m nonstop

    Local times, typical schedule. Last flown 2026-05-31.

    71%

    chance on time

    On time (history)
    67%
    Cancelled
    0.0%
    Avg arrival delay
    16 min
    • Arrived on time 67% of the time (55 flights, Jun 2025 to May 2026).
    • Never cancelled in 55 scheduled flights.
    • Departs outside SAN's trouble window (6 AM to noon, when 66% of its 164 ground stops and delay programs started).
    • Short track record (55 flights), so its score leans on the airline's record at this hour.

    Limited track record · 55 flights

    Find Southwest 3195 fares Opens this date on Aviasales

  7. #7 · Southwest 1546

    3:30 PM → 5:10 PM1h 40m nonstop

    Local times, typical schedule. Last flown 2026-04-06.

    67%

    chance on time

    On time (history)
    73%
    Cancelled
    0.0%
    Avg arrival delay
    30 min
    • Arrived on time 73% of the time (15 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (3 to 6 PM: 56% on time; Before 9 AM: 93%).
    • Departs outside SAN's trouble window (6 AM to noon, when 66% of its 164 ground stops and delay programs started).
    • 88% of its delay minutes came from the plane arriving late from an earlier flight.

    Limited track record · 15 flights

    Find Southwest 1546 fares Opens this date on Aviasales

  8. #8 · Southwest 1491

    4:30 PM → 6:10 PM1h 40m nonstop

    Local times, typical schedule. Last flown 2026-05-29.

    48%

    chance on time

    On time (history)
    17%
    Cancelled
    0.0%
    Avg arrival delay
    36 min
    • Arrived on time 17% of the time (23 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (3 to 6 PM: 56% on time; Before 9 AM: 93%).
    • Departs outside SAN's trouble window (6 AM to noon, when 66% of its 164 ground stops and delay programs started).
    • 80% of its delay minutes came from the plane arriving late from an earlier flight.

    Limited track record · 23 flights

    Find Southwest 1491 fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)80%

    194 flights · 85% on time as flown · 3.5% cancel

  • Southwest Airlines76%

    912 flights · 76% on time as flown · 0.7% cancel

On time by departure time

All airlines, scheduled local departure, Jun 2025 to May 2026.

  • Before 9 AM93%

    178 flights · avg delay 5 min

  • 9 AM to noon89%

    252 flights · avg delay 7 min

  • 3 to 6 PM56%

    190 flights · avg delay 27 min

  • 6 to 9 PM77%

    251 flights · avg delay 11 min

  • After 9 PM74%

    213 flights · avg delay 12 min

Best day: Tuesday (86%). Worst: Thursday (71%).

On time by month

All airlines, Jun 2023 to May 2026. Several years per month, so one stormy season doesn't define a month. Travel-month estimates use this seasonal pattern.

J
85
F
82
M
79
A
70
M
79
J
74
J
71
A
79
S
79
O
73
N
84
D
73

What delays this route

  • Late-arriving aircraft71%
  • Airline (crew, maintenance, boarding)19%
  • Air traffic control and airport volume8%
  • Severe weather2%

Share of delay minutes by the cause airlines report to the US DOT.

Historical odds, not a guarantee. Built from the US DOT Bureau of Transportation Statistics on-time reports (Jun 2025 to May 2026), FAA ground stop and delay program advisories, and 20 years of airport weather observations. Covers US airlines that report to the DOT; schedules are flights operated recently, so confirm times when you book. ATIS Alerts is not affiliated with any airline. Fares are what Aviasales travelers saw in recent searches (USD, one way, 1 adult), not live quotes; the partner site shows the current price. Fare links go to our travel partner and may earn us a commission at no cost to you. Affiliate disclosure

Finding the most reliable connections from SAN to RNO…

SAN to RNO questions

What time of day is best to fly SAN to RNO?
Before 9 AM: 93% of flights arrived on time, against 56% for departures 3 to 6 PM. Later flights inherit delays from earlier ones, so the first departures of the day usually run best.
Which airline is most on time from SAN to RNO?
SkyWest, with a season-adjusted 80% chance of operating and arriving on time over 194 flights. The adjustment compares each airline with what the route did in the months it flew, so a carrier that skipped a stormy month gets no free credit.
What is the worst month for delays on SAN to RNO?
April (70% on time); the best was January (85%), averaged over Jun 2023 to May 2026.
Is this a prediction for my flight?
No. These are historical odds from the US DOT on-time reports, FAA advisories and airport weather records. Check your flight status and the FAA delay board on the day you fly.

More routes from SAN

Live status: FAA delays and ground stops