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Route on-time record

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

San Francisco (San Francisco International Airport) to Eugene (Eugene Airport). 998 nonstop flights in Jun 2025 to May 2026, 82% arrived within 15 minutes and 0.5% were cancelled. The most reliable flight number was United 790 at 10:10 AM.

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

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SFO → EUG

San Francisco to Eugene: 998 nonstop flights a year

On time (12 months)

82%

Cancelled

0.5%

avg delay 15 min

Best time to leave

9 AM to noon

85% on time vs 74% 6 to 9 PM

Most reliable airline

United

83% chance on time

Check SFO to EUG 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 · United 790

    10:10 AM → 11:55 AM1h 45m nonstop

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

    85%

    chance on time

    On time (history)
    85%
    Cancelled
    0.0%
    Avg arrival delay
    14 min
    • Arrived on time 85% of the time (356 flights, Jun 2025 to May 2026).
    • Never cancelled in 356 scheduled flights.
    • Leaves in this route's most on-time window (9 AM to noon: 85% on time; 6 to 9 PM: 74%).
    • Departs inside SFO's trouble window: 60% of its 334 ground stops and delay programs started between 7 AM and 1 PM.

    Strong track record · 356 flights

    Find United 790 fares Opens this date on Aviasales

  2. #2 · United 1508

    9:13 PM → 10:59 PM1h 46m nonstop

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

    82%

    chance on time

    On time (history)
    82%
    Cancelled
    0.0%
    Avg arrival delay
    19 min
    • Arrived on time 82% of the time (87 flights, Jun 2025 to May 2026).
    • Never cancelled in 87 scheduled flights.
    • Departs outside SFO's trouble window (7 AM to 1 PM, when 60% of its 334 ground stops and delay programs started).
    • 57% of its delay minutes came from the plane arriving late from an earlier flight.

    Moderate track record · 87 flights

    Find United 1508 fares Opens this date on Aviasales

  3. #3 · SkyWest 5604 · sold as United Express, Delta Connection, American Eagle or Alaska

    4:15 PM → 6:09 PM1h 54m nonstop

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

    71%

    chance on time

    On time (history)
    63%
    Cancelled
    1.7%
    Avg arrival delay
    17 min
    • Arrived on time 63% of the time (57 flights, Jun 2025 to May 2026).
    • Departs outside SFO's trouble window (7 AM to 1 PM, when 60% of its 334 ground stops and delay programs started).

    Limited track record · 57 flights

    Find 4:15 PM flight fares Opens this date on Aviasales

Airlines on this route

Season-adjusted chance of operating and arriving on time.

  • United Airlines83%

    744 flights · 84% on time as flown · 0.2% cancel

  • SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)77%

    254 flights · 76% on time as flown · 1.2% cancel

On time by departure time

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

  • 9 AM to noon85%

    365 flights · avg delay 14 min

  • 3 to 6 PM83%

    274 flights · avg delay 8 min

  • 6 to 9 PM74%

    31 flights · avg delay 20 min

  • After 9 PM77%

    326 flights · avg delay 22 min

Best day: Tuesday (86%). Worst: Thursday (79%).

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
84
F
84
M
84
A
80
M
76
J
82
J
78
A
82
S
85
O
85
N
82
D
83

What delays this route

  • Late-arriving aircraft44%
  • Airline (crew, maintenance, boarding)40%
  • Air traffic control and airport volume16%

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 SFO to EUG…

SFO to EUG questions

What time of day is best to fly SFO to EUG?
9 AM to noon: 85% of flights arrived on time, against 74% for departures 6 to 9 PM.
Which airline is most on time from SFO to EUG?
United, with a season-adjusted 83% chance of operating and arriving on time over 744 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 EUG?
May (76% on time); the best was September (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.

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Live status: FAA delays and ground stops