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Route on-time record

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

San Francisco (San Francisco International Airport) to Phoenix (Phoenix Sky Harbor International Airport). 4,622 nonstop flights in Jun 2025 to May 2026, 76% arrived within 15 minutes and 0.8% were cancelled. The most reliable flight number was SkyWest 6467 at 5:40 AM.

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

SFO → PHX

San Francisco to Phoenix: 4,622 nonstop flights a year

On time (12 months)

76%

Cancelled

0.8%

avg delay 19 min

Best time to leave

Before 9 AM

92% on time vs 68% noon to 3 PM

Most reliable airline

SkyWest

85% chance on time

Check SFO to PHX 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 6467 · sold as United Express, Delta Connection, American Eagle or Alaska

    5:40 AM → 8:00 AM2h 20m nonstop

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

    95%

    chance on time

    On time (history)
    100%
    Cancelled
    0.0%
    Avg arrival delay
    0 min
    • Arrived on time 100% of the time (13 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 92% on time; Noon to 3 PM: 68%).
    • Departs outside SFO's trouble window (7 AM to 1 PM, when 61% of its 333 ground stops and delay programs started).
    • Short track record (13 flights), so its score leans on the airline's record at this hour.

    Limited track record · 13 flights

    Find 5:40 AM flight fares Opens this date on Aviasales

  2. #2 · American 1459

    6:00 AM → 8:05 AM2h 05m nonstop

    Local times, typical schedule. Last flown 2026-05-19. Same departure also flew as American 2249; its record covers all of them.

    95%

    chance on time

    On time (history)
    98%
    Cancelled
    0.0%
    Avg arrival delay
    13 min
    • Arrived on time 98% of the time (61 flights, Jun 2025 to May 2026).
    • Never cancelled in 61 scheduled flights.
    • Leaves in this route's most on-time window (Before 9 AM: 92% on time; Noon to 3 PM: 68%).
    • Departs outside SFO's trouble window (7 AM to 1 PM, when 61% of its 333 ground stops and delay programs started).

    Moderate track record · 61 flights

    Find American 1459 fares Opens this date on Aviasales

  3. #3 · SkyWest 5662 · sold as United Express, Delta Connection, American Eagle or Alaska

    7:20 AM → 9:39 AM2h 19m nonstop

    Local times, typical schedule. Last flown 2026-03-28.

    92%

    chance on time

    On time (history)
    94%
    Cancelled
    0.0%
    Avg arrival delay
    6 min
    • Arrived on time 94% of the time (18 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 92% on time; Noon to 3 PM: 68%).
    • Departs inside SFO's trouble window: 61% of its 333 ground stops and delay programs started between 7 AM and 1 PM.
    • Short track record (18 flights), so its score leans on the airline's record at this hour.

    Limited track record · 18 flights

    Find 7:20 AM flight fares Opens this date on Aviasales

  4. #4 · Southwest 3738

    7:25 AM → 9:25 AM2h 00m nonstop

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

    90%

    chance on time

    On time (history)
    98%
    Cancelled
    1.8%
    Avg arrival delay
    1 min
    • Arrived on time 98% of the time (54 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 92% on time; Noon to 3 PM: 68%).
    • Departs inside SFO's trouble window: 61% of its 333 ground stops and delay programs started between 7 AM and 1 PM.
    • Short track record (54 flights), so its score leans on the airline's record at this hour.

    Limited track record · 54 flights

    Find Southwest 3738 fares Opens this date on Aviasales

  5. #5 · SkyWest 6404 · sold as United Express, Delta Connection, American Eagle or Alaska

    7:00 PM → 9:12 PM2h 15m nonstop

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

    89%

    chance on time

    On time (history)
    90%
    Cancelled
    0.6%
    Avg arrival delay
    7 min
    • Arrived on time 90% of the time (319 flights, Jun 2025 to May 2026).
    • Departs outside SFO's trouble window (7 AM to 1 PM, when 61% of its 333 ground stops and delay programs started).

    Strong track record · 319 flights

    Find 7:00 PM flight fares Opens this date on Aviasales

  6. #6 · United 2374

    8:22 AM → 10:28 AM2h 06m nonstop

    Local times, typical schedule. Last flown 2026-05-30.

    88%

    chance on time

    On time (history)
    89%
    Cancelled
    1.6%
    Avg arrival delay
    6 min
    • Arrived on time 89% of the time (254 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (Before 9 AM: 92% on time; Noon to 3 PM: 68%).
    • Departs inside SFO's trouble window: 61% of its 333 ground stops and delay programs started between 7 AM and 1 PM.

    Strong track record · 254 flights

    Find United 2374 fares Opens this date on Aviasales

  7. #7 · American 2414

    9:00 AM → 11:09 AM2h 09m nonstop

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

    88%

    chance on time

    On time (history)
    88%
    Cancelled
    0.5%
    Avg arrival delay
    27 min
    • Arrived on time 88% of the time (208 flights, Jun 2025 to May 2026).
    • Departs inside SFO's trouble window: 61% of its 333 ground stops and delay programs started between 7 AM and 1 PM.

    Strong track record · 208 flights

    Find American 2414 fares Opens this date on Aviasales

  8. #8 · United 2141

    7:16 PM → 9:35 PM2h 19m nonstop

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

    87%

    chance on time

    On time (history)
    94%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 94% of the time (18 flights, Jun 2025 to May 2026).
    • Departs outside SFO's trouble window (7 AM to 1 PM, when 61% of its 333 ground stops and delay programs started).
    • Short track record (18 flights), so its score leans on the airline's record at this hour.

    Limited track record · 18 flights

    Find United 2141 fares Opens this date on Aviasales

  9. #9 · SkyWest 5533 · sold as United Express, Delta Connection, American Eagle or Alaska

    10:43 PM → 12:58 AM2h 15m nonstop

    Local times, typical schedule. Last flown 2026-03-26.

    85%

    chance on time

    On time (history)
    94%
    Cancelled
    0.0%
    Avg arrival delay
    2 min
    • Arrived on time 94% of the time (16 flights, Jun 2025 to May 2026).
    • Departs outside SFO's trouble window (7 AM to 1 PM, when 61% of its 333 ground stops and delay programs started).
    • Short track record (16 flights), so its score leans on the airline's record at this hour.

    Limited track record · 16 flights

    Find 10:43 PM flight fares Opens this date on Aviasales

  10. #10 · United 298

    7:25 PM → 9:39 PM2h 14m nonstop

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

    85%

    chance on time

    On time (history)
    91%
    Cancelled
    0.0%
    Avg arrival delay
    14 min
    • Arrived on time 91% of the time (11 flights, Jun 2025 to May 2026).
    • Departs outside SFO's trouble window (7 AM to 1 PM, when 61% of its 333 ground stops and delay programs started).
    • 91% of its delay minutes came from the plane arriving late from an earlier flight.
    • Short track record (11 flights), so its score leans on the airline's record at this hour.

    Limited track record · 11 flights

    Find United 298 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)85%

    516 flights · 87% on time as flown · 0.8% cancel

  • United Airlines81%

    1,452 flights · 82% on time as flown · 0.5% cancel

  • American Airlines77%

    1,321 flights · 78% on time as flown · 0.8% cancel

  • Southwest Airlines63%

    1,079 flights · 63% on time as flown · 0.6% cancel

  • Frontier Airlines59%

    254 flights · 57% on time as flown · 2.5% cancel

On time by departure time

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

  • Before 9 AM92%

    1,201 flights · avg delay 8 min

  • 9 AM to noon70%

    792 flights · avg delay 28 min

  • Noon to 3 PM68%

    714 flights · avg delay 21 min

  • 3 to 6 PM69%

    934 flights · avg delay 21 min

  • 6 to 9 PM72%

    782 flights · avg delay 25 min

  • After 9 PM72%

    199 flights · avg delay 23 min

Best day: Tuesday (83%). Worst: Friday (74%).

Smarter routing

Nearby airports that run more on time

  • SJC → PHX 82% chance on time

    Norman Y. Mineta San Jose International Airport to Phoenix Sky Harbor International Airport · 3,039 flights a year · 30 mi from your airports · yours: 75%

    Rank flightsFares

  • OAK → PHX 77% chance on time

    Oakland San Francisco Bay Airport to Phoenix Sky Harbor International Airport · 1,953 flights a year · 11 mi from your airports · yours: 75%

    Rank flightsFares

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
76
M
75
A
75
M
74
J
79
J
75
A
78
S
82
O
77
N
78
D
77

What delays this route

  • Late-arriving aircraft55%
  • Airline (crew, maintenance, boarding)34%
  • Air traffic control and airport volume10%

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

SFO to PHX questions

What time of day is best to fly SFO to PHX?
Before 9 AM: 92% of flights arrived on time, against 68% for departures noon to 3 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 SFO to PHX?
SkyWest, with a season-adjusted 85% chance of operating and arriving on time over 516 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 SFO to PHX?
May (74% on time); the best was September (82%), 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 SFO

Live status: FAA delays and ground stops