SLC to DFW delays: 77% on time (Salt Lake City to Dallas)

77% of flights from Salt Lake City to Dallas arrived on time over the past 12 months. That is about the typical U.S. route. The 5 a.m. departures ran on time 89% of the time; the 4 p.m. ones 54%. Most reliable airline: Delta Air Lines (80%). 10% of flights arrived more than an hour late or not at all.

How late?

The on-time rate treats a flight 20 minutes late the same as one 5 hours late. Here's the split for SLC → DFW: when a flight was late, it was under 45 minutes late 53% of the time. About 1 in 14 flights landed an hour or more late, and 1 in 55 three hours or more; 2.2% were cancelled outright.

On time or early77%
15–30 min late7.2%
30–60 min late5.3%
1–2 hours late3.8%
2–3 hours late1.5%
3+ hours late1.8%
Diverted0.8%
Cancelled2.2%

Share of all 3,870 scheduled flights, past 12 months, by arrival time against schedule.

By airline

Airline	Flights	On time	Cancelled	Typical arrival	1h+ late	Avg when late	Operated by
American Airlines	2,211	76%	2.8%	−9 min	8.3%	+105 min	American Airlines 100%, Envoy 0%
Delta Air Lines	1,458	80%	1.2%	−7 min	5.4%	+64 min	Delta Air Lines
Frontier Airlines	201	76%	2.5%	−9 min	6.5%	+67 min	Frontier Airlines

Airline = the name on the ticket. Regional flights (e.g. "Delta Connection") count under the ticketing airline, and the operator is listed.

Best time of day to fly

On-time rate by scheduled departure hour (local time at SLC). Delays build through the day as late planes knock on, so early flights usually do best.

SLC → DFW, share of flights arriving on time, by departure hour. Hours with under 100 flights are greyed out.

82%+ on time76–82%68–76%under 68%too few flights

By airline and hour

Departs	American Airlines	Delta Air Lines
5 a.m.	89%	—
7 a.m.	84%	83%
8 a.m.	87%	—
9 a.m.	83%	83%
10 a.m.	—	85%
11 a.m.	76%	—
1 p.m.	71%	77%
2 p.m.	57%	—
4 p.m.	53%	—
5 p.m.	—	75%

Last flight of the day

On SLC → DFW, each airline's last flight of the day was cancelled 3.1% of the time, against 1.9% for its earlier flights (1.6× as often). It arrived 3+ hours late 3.0% of the time (earlier flights: 1.6%). It matters more than the numbers suggest. Miss an earlier flight and there's another one that evening; miss the last one and you're usually waiting until morning.

Airline	Last departure	Last: cancelled	Last: 3h+ late	Earlier: cancelled	Next morning
American Airlines	4:41 p.m.	4.9%	3.0%	2.4%	first flight 5:00 a.m.
Delta Air Lines	5:40 p.m.	1.4%	3.0%	1.2%	first flight 7:55 a.m.

Last flight = the airline's last scheduled departure on this route that day, on days it flies the route at least twice; past 12 months. Times are typical scheduled times over the latest three months.

If you need to be in DFW tonight, book an earlier flight so there's a backup if it's cancelled.

By month

Each calendar month pooled over 2023–2026. Best: February (84%). Worst: May (70%).

By day of week

Day	Flights	On time	Cancelled
Monday	581	77%	3.3%
Tuesday	530	79%	2.1%
Wednesday	537	85%	0.7%
Thursday	546	79%	0.4%
Friday	568	77%	1.6%
Saturday	545	75%	3.5%
Sunday	563	70%	3.7%

Why flights were late

Share of delay minutes on flights 15+ minutes late, as reported to BTS by the airlines.

Airline (crew, maintenance, ops) 43%Late inbound plane 41%Air traffic & airport (NAS) 14%Severe weather 2%

Cancellations: weather 66 · airline 19

Month by month

Share of flights on time, by month (hover a point for cancellations)

SLC → DFW, monthly on-time and cancellation rate.

Flight numbers on this route

Regular flights with at least 120 scheduled trips in the past year. Sorted by departure time.

Flight	Departs	Flights	On time	Cancelled	Typical arrival	Operated by
AA 1214	5:00 a.m.	365	88%	2.7%	−16 min	American Airlines
AA 2195	5:30 a.m.	363	87%	2.5%	−13 min	American Airlines
DL 2798	7:45 a.m.	253	84%	2.0%	−9 min	Delta Air Lines
DL 2800	9:50 a.m.	365	82%	0.5%	−6 min	Delta Air Lines
DL 2811	1:50 p.m.	235	74%	2.1%	−6 min	Delta Air Lines
F9 3278	3:22 p.m.	173	75%	1.7%	−7 min	Frontier Airlines
AA 1456	3:57 p.m.	281	61%	4.3%	+3 min	American Airlines
DL 2796	5:35 p.m.	365	76%	1.4%	−7 min	Delta Air Lines

Worst days in the past year

Date	Flights	On time	Cancelled
Jan 24, 2026	10	0%	10
Jan 25, 2026	11	9%	8
May 19, 2026	10	10%	2
Oct 18, 2025	10	10%	1
Apr 28, 2026	10	10%	2

Nearby airport alternatives

Other ways to make the same trip, using airports within 60 miles of Salt Lake City or Dallas. PVU → DFW has been 4 points more reliable.

Route	Flights	On time	Cancelled
SLC → DFW (this route)	3,870	77%	2.2%
PVU → DFW Provo to Dallas/Fort Worth	723	82%	1.8%
SLC → DAL Salt Lake City to Dallas Love Field	670	76%	1.2%

Questions

How often are flights from SLC to DFW on time?

77% of 3,870 scheduled flights from Salt Lake City, UT to Dallas/Fort Worth, TX arrived within 15 minutes of schedule between September 2025 and August 2026. 2.2% were cancelled.

What is the best time of day to fly SLC to DFW?

Flights scheduled to leave at 5 a.m. were the most reliable (89% on time). The 4 p.m. departures were the least (54%).

Which airline is most on time from SLC to DFW?

Delta Air Lines: 80% of its 1,458 flights on the route arrived on time. American Airlines: 76%. Frontier Airlines: 76%.

What month has the most delays from SLC to DFW?

May (70% on time). The best month is February (84%), over 2023–2026.

Is the last flight of the day from SLC to DFW more likely to be cancelled?

Yes. Each airline's last SLC–DFW flight of the day was cancelled 3.1% of the time over the past year, against 1.9% for its earlier flights. If the last flight is cancelled, the next one is usually the following morning.

Domestic flights by the airlines that report to the U.S. DOT, plus their regional partners. "On time" means arriving less than 15 minutes after schedule; cancelled and diverted flights count as not on time. Past performance is a guide, not a forecast. Method.

SLC → DFW on time