ATIS Alerts Smart Flight Search
Find the flight least likely to be delayed
BetaWe rank real flight numbers by how often they flew and arrived on time over the last 12 months, adjusted for your travel month and departure time, then check nearby airports and calmer connections. US airlines and airports.
SGU → SLC
St George to Salt Lake City: 1,708 nonstop flights a year
On time (12 months)
94%
Cancelled
0.2%
avg delay 5 min
Best time to leave
6 to 9 PM
97% on time vs 89% 3 to 6 PM
Most reliable airline
SkyWest
94% chance on time
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 · SkyWest 4235 · sold as United Express, Delta Connection, American Eagle or Alaska
5:50 AM → 7:13 AM1h 09m nonstop
Local times, typical schedule. Last flown 2026-05-31.
97%
chance on time
- On time (history)
- 98%
- Cancelled
- 0.0%
- Avg arrival delay
- 3 min
- Arrived on time 98% of the time (365 flights, Jun 2025 to May 2026).
- Never cancelled in 365 scheduled flights.
Strong track record · 365 flights
Find 5:50 AM flight fares Opens this date on Aviasales#2 · SkyWest 4253 · sold as United Express, Delta Connection, American Eagle or Alaska
1:10 PM → 2:23 PM1h 13m nonstop
Local times, typical schedule. Last flown 2026-05-30.
95%
chance on time
- On time (history)
- 96%
- Cancelled
- 0.3%
- Avg arrival delay
- 2 min
- Arrived on time 96% of the time (352 flights, Jun 2025 to May 2026).
Strong track record · 352 flights
Find 1:10 PM flight fares Opens this date on Aviasales#3 · SkyWest 4237 · sold as United Express, Delta Connection, American Eagle or Alaska
8:50 AM → 10:12 AM1h 17m nonstop
Local times, typical schedule. Last flown 2026-05-31.
94%
chance on time
- On time (history)
- 94%
- Cancelled
- 0.0%
- Avg arrival delay
- 7 min
- Arrived on time 94% of the time (288 flights, Jun 2025 to May 2026).
- Never cancelled in 288 scheduled flights.
Strong track record · 288 flights
Find 8:50 AM flight fares Opens this date on Aviasales#4 · SkyWest 4315 · sold as United Express, Delta Connection, American Eagle or Alaska
5:30 PM → 6:45 PM1h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
93%
chance on time
- On time (history)
- 93%
- Cancelled
- 0.0%
- Avg arrival delay
- 4 min
- Arrived on time 93% of the time (73 flights, Jun 2025 to May 2026).
- Never cancelled in 73 scheduled flights.
- Leaves in this route's least on-time window (3 to 6 PM: 89% on time; 6 to 9 PM: 97%).
Moderate track record · 73 flights
Find 5:30 PM flight fares Opens this date on Aviasales#5 · SkyWest 4308 · sold as United Express, Delta Connection, American Eagle or Alaska
11:25 AM → 12:38 PM1h 13m nonstop
Local times, typical schedule. Last flown 2026-05-31.
92%
chance on time
- On time (history)
- 93%
- Cancelled
- 0.7%
- Avg arrival delay
- 4 min
- Arrived on time 93% of the time (281 flights, Jun 2025 to May 2026).
Strong track record · 281 flights
Find 11:25 AM flight fares Opens this date on Aviasales#6 · SkyWest 4321 · sold as United Express, Delta Connection, American Eagle or Alaska
3:20 PM → 4:34 PM1h 15m nonstop
Local times, typical schedule. Last flown 2026-05-31.
88%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 8 min
- Arrived on time 88% of the time (346 flights, Jun 2025 to May 2026).
- Never cancelled in 346 scheduled flights.
- Leaves in this route's least on-time window (3 to 6 PM: 89% on time; 6 to 9 PM: 97%).
Strong track record · 346 flights
Find 3:20 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)94%
1,708 flights · 94% on time as flown · 0.2% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM97%
501 flights · avg delay 4 min
- 9 AM to noon92%
433 flights · avg delay 5 min
- Noon to 3 PM95%
262 flights · avg delay 3 min
- 3 to 6 PM89%
438 flights · avg delay 7 min
- 6 to 9 PM97%
74 flights · avg delay 1 min
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