Route on-time record
SLC to SFO: most on-time flights and the best time to fly
Salt Lake City (Salt Lake City International Airport) to San Francisco (San Francisco International Airport). 3,487 nonstop flights in Jun 2025 to May 2026, 72% arrived within 15 minutes and 0.9% were cancelled. The most reliable flight number was SkyWest 4763 at 6:00 AM.
Flying on a specific date? We’ll adjust for the month, the weekday and the forecast.
SLC → SFO
Salt Lake City to San Francisco: 3,487 nonstop flights a year
On time (12 months)
72%
Cancelled
0.9%
avg delay 19 min
Best time to leave
Noon to 3 PM
83% on time vs 60% 6 to 9 PM
Most reliable airline
United
79% 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 4763 · sold as United Express, Delta Connection, American Eagle or Alaska
6:00 AM → 7:38 AM2h 20m nonstop
Local times, typical schedule. Last flown 2026-05-31.
91%
chance on time
- On time (history)
- 91%
- Cancelled
- 0.0%
- Avg arrival delay
- 5 min
- Arrived on time 91% of the time (126 flights, Jun 2025 to May 2026).
- Never cancelled in 126 scheduled flights.
- Lands inside SFO's trouble window: 61% of its 333 ground stops and delay programs started between 7 AM and 1 PM.
Moderate track record · 126 flights
Find 6:00 AM flight fares Opens this date on Aviasales#2 · United 1507
12:45 PM → 2:04 PM2h 19m nonstop
Local times, typical schedule. Last flown 2026-03-28.
83%
chance on time
- On time (history)
- 88%
- Cancelled
- 0.0%
- Avg arrival delay
- 11 min
- Arrived on time 88% of the time (24 flights, Jun 2025 to May 2026).
- Leaves in this route's most on-time window (Noon to 3 PM: 83% on time; 6 to 9 PM: 60%).
- Short track record (24 flights), so its score leans on the airline's record at this hour.
Limited track record · 24 flights
Find United 1507 fares Opens this date on Aviasales#3 · United 1955
4:21 PM → 5:23 PM2h 02m nonstop
Local times, typical schedule. Last flown 2026-05-31.
80%
chance on time
- On time (history)
- 55%
- Cancelled
- 0.0%
- Avg arrival delay
- 54 min
- Arrived on time 55% of the time (11 flights, Jun 2025 to May 2026).
- Short track record (11 flights), so its score leans on the airline's record at this hour.
Limited track record · 11 flights
Find United 1955 fares Opens this date on Aviasales#4 · SkyWest 3271 · sold as United Express, Delta Connection, American Eagle or Alaska
1:02 PM → 2:19 PM2h 17m nonstop
Local times, typical schedule. Last flown 2026-03-17.
75%
chance on time
- On time (history)
- 76%
- Cancelled
- 0.0%
- Avg arrival delay
- 16 min
- Arrived on time 76% of the time (34 flights, Jun 2025 to May 2026).
- Never cancelled in 34 scheduled flights.
- Leaves in this route's most on-time window (Noon to 3 PM: 83% on time; 6 to 9 PM: 60%).
- 63% of its delay minutes came from the plane arriving late from an earlier flight.
Limited track record · 34 flights
Find 1:02 PM flight fares Opens this date on Aviasales#5 · SkyWest 5732 · sold as United Express, Delta Connection, American Eagle or Alaska
4:15 PM → 5:50 PM2h 18m nonstop
Local times, typical schedule. Last flown 2026-05-20.
74%
chance on time
- On time (history)
- 74%
- Cancelled
- 2.5%
- Avg arrival delay
- 23 min
- Arrived on time 74% of the time (198 flights, Jun 2025 to May 2026).
Moderate track record · 198 flights
Find 4:15 PM flight fares Opens this date on Aviasales#6 · Delta 1091
10:55 PM → 11:59 PM2h 04m nonstop
Local times, typical schedule. Last flown 2026-05-31.
74%
chance on time
- On time (history)
- 74%
- Cancelled
- 0.3%
- Avg arrival delay
- 13 min
- Arrived on time 74% of the time (334 flights, Jun 2025 to May 2026).
Strong track record · 334 flights
Find Delta 1091 fares Opens this date on Aviasales#7 · Delta 920
7:45 AM → 8:56 AM2h 09m nonstop
Local times, typical schedule. Last flown 2026-05-31.
70%
chance on time
- On time (history)
- 71%
- Cancelled
- 1.1%
- Avg arrival delay
- 15 min
- Arrived on time 71% of the time (357 flights, Jun 2025 to May 2026).
- Lands inside SFO's trouble window: 61% of its 333 ground stops and delay programs started between 7 AM and 1 PM.
Strong track record · 357 flights
Find Delta 920 fares Opens this date on Aviasales#8 · Delta 2762
5:10 PM → 6:19 PM2h 06m nonstop
Local times, typical schedule. Last flown 2026-05-31.
70%
chance on time
- On time (history)
- 69%
- Cancelled
- 1.2%
- Avg arrival delay
- 18 min
- Arrived on time 69% of the time (247 flights, Jun 2025 to May 2026).
Strong track record · 247 flights
Find Delta 2762 fares Opens this date on Aviasales#9 · Delta 1088
3:00 PM → 4:10 PM2h 07m nonstop
Local times, typical schedule. Last flown 2026-05-31.
70%
chance on time
- On time (history)
- 71%
- Cancelled
- 1.4%
- Avg arrival delay
- 20 min
- Arrived on time 71% of the time (357 flights, Jun 2025 to May 2026).
Strong track record · 357 flights
Find Delta 1088 fares Opens this date on Aviasales#10 · Frontier 3393
4:33 PM → 5:57 PM2h 24m nonstop
Local times, typical schedule. Last flown 2026-05-31.
68%
chance on time
- On time (history)
- 68%
- Cancelled
- 1.3%
- Avg arrival delay
- 32 min
- Arrived on time 68% of the time (157 flights, Jun 2025 to May 2026).
Moderate track record · 157 flights
Find Frontier 3393 fares Opens this date on Aviasales
Airlines on this route
Season-adjusted chance of operating and arriving on time.
- United Airlines79%
457 flights · 82% on time as flown · 0.4% cancel
- SkyWest Airlines (sold as United Express, Delta Connection, American Eagle or Alaska)71%
1,164 flights · 71% on time as flown · 1.2% cancel
- Delta Air Lines70%
1,707 flights · 71% on time as flown · 0.8% cancel
- Frontier Airlines69%
159 flights · 68% on time as flown · 1.1% cancel
On time by departure time
All airlines, scheduled local departure, Jun 2025 to May 2026.
- Before 9 AM78%
780 flights · avg delay 14 min
- 9 AM to noon62%
547 flights · avg delay 21 min
- Noon to 3 PM83%
417 flights · avg delay 11 min
- 3 to 6 PM74%
882 flights · avg delay 21 min
- 6 to 9 PM60%
497 flights · avg delay 30 min
- After 9 PM74%
364 flights · avg delay 13 min
Best day: Saturday (78%). Worst: Monday (69%).
Smarter routing
Nearby airports that run more on time
SLC → OAK 89% chance on time
Salt Lake City International Airport to Oakland San Francisco Bay Airport · 1,696 flights a year · 11 mi from your airports · yours: 71%
SLC → SJC 86% chance on time
Salt Lake City International Airport to Norman Y. Mineta San Jose International Airport · 1,819 flights a year · 30 mi from your airports · yours: 71%
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.
What delays this route
- Air traffic control and airport volume50%
- Airline (crew, maintenance, boarding)27%
- Late-arriving aircraft22%
- Severe weather1%
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
SLC to SFO questions
- What time of day is best to fly SLC to SFO?
- Noon to 3 PM: 83% of flights arrived on time, against 60% for departures 6 to 9 PM.
- Which airline is most on time from SLC to SFO?
- United, with a season-adjusted 79% chance of operating and arriving on time over 457 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 SFO?
- April (62% on time); the best was October (80%), 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 SLC
- SFO to SLC (return)
- SLC to DEN 77%
- SLC to PHX 84%
- SLC to SEA 79%
- SLC to LAX 86%
- SLC to DFW 78%
- SLC to LAS 78%
- SLC to ORD 75%
- SLC to ATL 86%
- SLC to SAN 84%
- SLC to PDX 88%
- SLC to SMF 86%
- SLC to IAH 85%
Live status: FAA delays and ground stops