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Route on-time record

SLC to SUN: most on-time flights and the best time to fly

Salt Lake City (Salt Lake City International Airport) to Hailey (Friedman Memorial Airport). 1,078 nonstop flights in Jun 2025 to May 2026, 94% arrived within 15 minutes and 0.7% were cancelled. The most reliable flight number was SkyWest 3985 at 8:45 PM.

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

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SLC → SUN

Salt Lake City to Hailey: 1,078 nonstop flights a year

On time (12 months)

94%

Cancelled

0.7%

avg delay 4 min

Best time to leave

6 to 9 PM

97% on time vs 92% noon to 3 PM

Most reliable airline

SkyWest

93% chance on time

Check SLC to SUN 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 3985 · sold as United Express, Delta Connection, American Eagle or Alaska

    8:45 PM → 9:50 PM1h 04m nonstop

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

    95%

    chance on time

    On time (history)
    96%
    Cancelled
    1.2%
    Avg arrival delay
    2 min
    • Arrived on time 96% of the time (163 flights, Jun 2025 to May 2026).
    • Leaves in this route's most on-time window (6 to 9 PM: 97% on time; Noon to 3 PM: 92%).

    Moderate track record · 163 flights

    Find 8:45 PM flight fares Opens this date on Aviasales

  2. #2 · SkyWest 3973 · sold as United Express, Delta Connection, American Eagle or Alaska

    10:45 AM → 11:54 AM1h 09m nonstop

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

    93%

    chance on time

    On time (history)
    93%
    Cancelled
    0.6%
    Avg arrival delay
    6 min
    • Arrived on time 93% of the time (357 flights, Jun 2025 to May 2026).

    Strong track record · 357 flights

    Find 10:45 AM flight fares Opens this date on Aviasales

  3. #3 · SkyWest 4454 · sold as United Express, Delta Connection, American Eagle or Alaska

    1:45 PM → 2:49 PM1h 04m nonstop

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

    89%

    chance on time

    On time (history)
    87%
    Cancelled
    1.4%
    Avg arrival delay
    7 min
    • Arrived on time 87% of the time (142 flights, Jun 2025 to May 2026).
    • Leaves in this route's least on-time window (Noon to 3 PM: 92% on time; 6 to 9 PM: 97%).

    Moderate track record · 142 flights

    Find 1:45 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)93%

    1,078 flights · 94% on time as flown · 0.7% cancel

On time by departure time

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

  • 9 AM to noon93%

    361 flights · avg delay 6 min

  • Noon to 3 PM92%

    342 flights · avg delay 4 min

  • 6 to 9 PM97%

    346 flights · avg delay 1 min

Best day: Tuesday (96%). Worst: Saturday (91%).

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
88
F
90
M
94
A
93
M
97
J
95
J
95
A
96
S
96
O
94
N
96
D
95

What delays this route

  • Airline (crew, maintenance, boarding)70%
  • Severe weather22%
  • Air traffic control and airport volume7%

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 SLC to SUN…

SLC to SUN questions

What time of day is best to fly SLC to SUN?
6 to 9 PM: 97% of flights arrived on time, against 92% for departures noon to 3 PM.
Which airline is most on time from SLC to SUN?
SkyWest, with a season-adjusted 93% chance of operating and arriving on time over 1,078 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 SLC to SUN?
January (88% on time); the best was May (97%), 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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