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Route on-time record

TUS to SFO: most on-time flights and the best time to fly

Tucson (Tucson International Airport) to San Francisco (San Francisco International Airport). 992 nonstop flights in Jun 2025 to May 2026, 75% arrived within 15 minutes and 0.4% were cancelled. The most reliable flight number was SkyWest 5583 at 12:35 PM.

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

TUS → SFO

Tucson to San Francisco: 992 nonstop flights a year

On time (12 months)

75%

Cancelled

0.4%

avg delay 19 min

Best time to leave

Noon to 3 PM

80% on time vs 60% 3 to 6 PM

Most reliable airline

SkyWest

75% chance on time

Check TUS to SFO 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 · SkyWest 5583 · sold as United Express, Delta Connection, American Eagle or Alaska

    12:35 PM → 3:08 PM2h 33m nonstop

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

    80%

    chance on time

    On time (history)
    80%
    Cancelled
    0.3%
    Avg arrival delay
    16 min
    • Arrived on time 80% of the time (332 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Noon to 3 PM: 80% on time; 3 to 6 PM: 60%).

    Strong track record · 332 flights

    Find 12:35 PM flight fares Opens this date on Aviasales

  2. #2 · SkyWest 4683 · sold as United Express, Delta Connection, American Eagle or Alaska

    8:50 AM → 11:23 AM2h 33m nonstop

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

    72%

    chance on time

    On time (history)
    74%
    Cancelled
    0.0%
    Avg arrival delay
    17 min
    • Arrived on time 74% of the time (332 flights, Jun 2025 to May 2026).
    • Never cancelled in 333 scheduled flights.
    • Lands inside SFO's trouble window: 61% of its 333 ground stops and delay programs started between 7 AM and 1 PM.

    Strong track record · 332 flights

    Find 8:50 AM flight fares Opens this date on Aviasales

  3. #3 · SkyWest 6006 · sold as United Express, Delta Connection, American Eagle or Alaska

    7:10 PM → 9:43 PM2h 33m nonstop

    Local times, typical schedule. Last flown 2026-05-20.

    70%

    chance on time

    On time (history)
    68%
    Cancelled
    1.2%
    Avg arrival delay
    31 min
    • Arrived on time 68% of the time (160 flights, Jun 2025 to May 2026).

    Moderate track record · 160 flights

    Find 7:10 PM flight 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)75%

    930 flights · 76% on time as flown · 0.3% cancel

  • United Airlines71%

    62 flights · 69% on time as flown · 0.8% cancel

On time by departure time

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

  • Before 9 AM76%

    354 flights · avg delay 16 min

  • 9 AM to noon79%

    86 flights · avg delay 15 min

  • Noon to 3 PM80%

    287 flights · avg delay 17 min

  • 3 to 6 PM60%

    49 flights · avg delay 32 min

  • 6 to 9 PM70%

    216 flights · avg delay 27 min

Best day: Saturday (82%). Worst: Monday (70%).

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
81
F
69
M
73
A
61
M
56
J
83
J
84
A
88
S
79
O
85
N
85
D
72

What delays this route

  • Air traffic control and airport volume59%
  • Late-arriving aircraft21%
  • Airline (crew, maintenance, boarding)18%
  • 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

TUS to SFO questions

What time of day is best to fly TUS to SFO?
Noon to 3 PM: 80% of flights arrived on time, against 60% for departures 3 to 6 PM.
Which airline is most on time from TUS to SFO?
SkyWest, with a season-adjusted 75% chance of operating and arriving on time over 930 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 TUS to SFO?
May (56% on time); the best was August (88%), 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 TUS

Live status: FAA delays and ground stops