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2,964 nonstop flights · Aug 2025 – Jul 2026 · US DOT on-time records, all US airlines

Leave before 9 am: 88% depart on time. After 4 pm it’s 3 in 4.

Best time to leave 7–8 am 94% arrive on time from ATL
Best single flight DL 387 ATL 10:05 → SLC 12:10 · 92% on time Avoid DL 453 ATL 22:15 → SLC 00:26 · 75% 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
20
21
22
ATL
88
88
87
87
86
90
85
82
77
73
75
69
% 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

Pick an hour to see this route’s flights leaving then.

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 2,958 83% 0.5% 62 min
Frontier 6 – 0.0% 70 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 387 ATL 10:05 SLC 12:10 92%
DL 830 ATL 08:15 SLC 10:15 89%
DL 663 ATL 11:54 SLC 13:50 88%
DL 423 ATL 13:55 SLC 15:51 86%
DL 526 ATL 15:24 SLC 17:24 82%
· · ·
DL 653 ATL 17:55 SLC 19:58 80%
DL 660 ATL 19:25 SLC 21:30 76%
DL 453 ATL 22:15 SLC 00:26 75%

All 9 flights in the current schedule

Every flight that flew in the Jun 6 – Jul 31, 2026 schedule, with its record over Aug 2025 – Jul 2026. Times are local. Click a column to sort.
DL 830 ATL 08:15 SLC 10:15 4h 00m 365 89% 1.1% 58 min
DL 387 ATL 10:05 SLC 12:10 4h 05m 365 92% 0.5% 48 min
DL 663 ATL 11:54 SLC 13:50 3h 56m 365 88% 0.5% 70 min
DL 423 ATL 13:55 SLC 15:51 3h 58m 365 86% 0.5% 48 min
DL 8771 ATL 15:12 SLC 17:11 3h 58m 11 82% 0.0% 32 min
DL 526 ATL 15:24 SLC 17:24 4h 00m 364 82% 0.3% 49 min
DL 653 ATL 17:55 SLC 19:58 4h 03m 365 80% 0.0% 64 min
DL 660 ATL 19:25 SLC 21:30 4h 05m 361 76% 0.3% 62 min
DL 453 ATL 22:15 SLC 00:26 4h 04m 346 75% 0.6% 81 min

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 ATL SLC 4h 03m 83% 0.5% 2,958 Flying now
Frontier ATL SLC – 67%few flights 0.0% 6 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