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1,856 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

No clear winner: airlines and hours on this route all land within a few points of 87% on time.

Best time to leave 8–9 am 92% arrive on time from SNA
Best single flight DL 1198 SNA 09:50 → SLC 12:47 · 92% on time Avoid DL 1277 SNA 17:03 → SLC 19:59 · 86% on time

Time of day × airport

Share of this route’s flights leaving within 15 minutes, by airport and scheduled departure hour, over Aug 2025 – Jul 2026. Blank: no flights then (or fewer than 40 in the year).

7
8
9
10
11
12
13
14
15
16
17
18
19
SNA
88
87
89
74
85
83
86
% of this route’s flights leaving within 15 min (small number: flights in the Jun 6 – Jul 31, 2026 schedule): 85+75–8465–7455–64under 55
Salt Lake City flights leaving SNA 5–6 pm: 1Close ×
DL 1277 SNA 17:03 SLC 19:59 1h 56m 332 86% 0.9% 84 min

Airlines on this route

Arriving within 15 minutes. Regional flights count under the airline that sells them. Pick an airline to see its flights.
Delta (incl. SkyWest) 1,754 87% 0.6% 105 min
Frontier 101 – 1.0% 58 min
Allegiant 1 – 0.0% 150 min

Dimmed: fewer than 150 flights in the year, too few to rank.

Flights, best and worst

Flights in the Jun 6 – Jul 31, 2026 schedule that ran 150+ times in the year. Times are local. Pick a flight for its history.
DL 1198 SNA 09:50 SLC 12:47 92%
DL 1185 SNA 07:15 SLC 10:15 91%
DL 1277 SNA 17:03 SLC 19:59 86%
All 6 flights on this route →

Nonstops by airline and airport

Arriving within 15 minutes, Aug 2025 – Jul 2026. Pick a row to see that airline’s flights on that airport pair.
Delta SNA SLC 1h 58m 87% 0.6% 1,754 Flying now
Frontier SNA SLC 1h 55m 86% 1.0% 101 Not flying now
Allegiant SNA SLC – 0%few flights 0.0% 1 Not flying now
Flying on a particular day? Pick a date above and the same ranking uses our forecast odds for each flight that day: Tomorrow.

About this data: US DOT on-time records, Aug 2025 – Jul 2026, all US airlines; regional flights count under the airline that sells them. Schedules (which flights and connections exist, and their times) are as of Jun 6 – Jul 31, 2026; seasonal flights outside that window aren’t ranked. Rebuilt monthly. JSON