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Reliable Flight Search results

Sioux Falls (FSD) → Phoenix (PHX)

Best trips

4 nonstop, 36 with 1 connection · ranked by overall best · 14 hidden by your Most reliable time setting (they leave at other times of day) · published legroom for 23 of 26 · showing the top 3

Most reliable time: morning departures (5–11 AM), the window with the best on-time odds for this trip. Turn off “Most reliable” under Departure time in Advanced settings to see every time.

  1. Our best overall pick

    85% chance you arrive on time · nonstop · 30 in legroom · planes about 17 years old · 2h 59m

    Top pick#1 · Nonstop · 2h 59m

    8:16 AM → 9:15 AM

    63

    score

    price

    live on Aviasales

    85%

    arrive on time

    8:16 AM FSD → 9:15 AM PHX2h 59m

    SkyWest 6453 · sold as United Express, Delta Connection, American Eagle or Alaska

    Bombardier CRJ900 · 17–20 yrs oldLegroom 30–34 in · 17.3 in wide · Delta Main
    85% on time · 0.3% cancel

    Why this is our top pick

    • This morning flight leaves in the most reliable time of day on this route: its best departures have a 79% reliability rating vs 62% for midday departures.
    • United trips we compared arrive on time 78% of the time on average, 6 points more often than American, Delta, SkyWest + Southwest, Delta + Southwest, United + American and American + Frontier (71%).
    • It has the same 30 in of legroom as the next-best option (SkyWest 6200 on the Bombardier CRJ700); it arrives on time 5 points more often; it flies a newer plane (about 17 vs 21 years old).
    Find 8:16 AM flight fares Opens this date on Aviasales
  2. #2 · Nonstop · 3h 05m

    8:30 AM → 9:35 AM

    55

    score

    price

    live on Aviasales

    80%

    arrive on time

    8:30 AM FSD → 9:35 AM PHX3h 05m

    SkyWest 6200 · sold as United Express, Delta Connection, American Eagle or Alaska

    Bombardier CRJ700 · 20–23 yrs oldLegroom 30–31 in · 16–17.3 in wide · Main Cabin
    80% on time · 0.2% cancel
    Find 8:30 AM flight fares Opens this date on Aviasales
  3. #3 · 1 connection · 6h 48m · one ticket (United)

    6:00 AM → 10:48 AM

    47

    score

    price

    live on Aviasales

    95%

    connections made

    85%

    arrive on time

    6:00 AM FSD → 6:58 AM DEN1h 58m

    SkyWest 5701 · sold as United Express

    Embraer E175 · 6–12 yrs oldLegroom 31 in · 18–18.2 in wide · United Economy
    90% on time · 1.9% cancel
    Connect in DEN · 2h 46m · 97% chance to make it · same ticket: the airline rebooks you if you miss it

    9:44 AM DEN → 10:48 AM PHX2h 04m

    United 1593

    Airbus A321neo · 1–3 yrs oldLegroom 30 in · 16.3–18.4 in wide · United Economy
    89% on time · 0.2% cancel
    Find this United trip Look for SkyWest 5701 + United 1593 on Aviasales

Aircraft and ages come from the planes each flight number actually flew in the last 3 months of data (FAA registry build years); airlines can swap planes. Legroom is the seat pitch the airline or a seat-map source publishes for that aircraft and cabin; we never estimate it, and seat maps change, so check the airline’s seat map when you book.

FSD → PHX

Sioux Falls to Phoenix: 591 nonstop flights a year

On time (12 months)

81%

Cancelled

0.7%

avg delay 17 min

Best time to leave

Before 9 AM

86% on time vs 79% noon to 3 PM

Most reliable airline

SkyWest

81% chance on time

Check FSD to PHX fares

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

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)81%

    186 flights · 81% on time as flown · 0.3% cancel

  • Envoy Air (sold as American Eagle)80%

    404 flights · 81% on time as flown · 0.9% cancel

On time by departure time

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

  • Before 9 AM86%

    235 flights · avg delay 13 min

  • Noon to 3 PM79%

    339 flights · avg delay 18 min

Best day: Wednesday (87%). Worst: Tuesday (79%).

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