Route
DAL → SLC
Dallas Love Field Salt Lake City International Airport
How punctual is this route?
- On-time arrivals
- 70.8%
- Less than 15 minutes late
- Cancelled
- 1.0%
- Of scheduled flights
- Average delay when late
- 54 min
- Flights arriving 15+ minutes late
- Flights tracked
- 670
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 56%
- Airline (crew, maintenance, cleaning) 31%
- Air traffic control & airport 10%
- Extreme weather 2%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 82.4% | 34 |
| October 2025 | 74.5% | 56 |
| November 2025 | 78.0% | 50 |
| December 2025 | 64.6% | 48 |
| January 2026 | 84.1% | 66 |
| February 2026 | 87.1% | 71 |
| March 2026 | 63.2% | 68 |
| April 2026 | 65.6% | 61 |
| May 2026 | 64.4% | 61 |
| June 2026 | 49.2% | 60 |
| July 2026 | 70.5% | 61 |
| August 2026 | 67.6% | 34 |
Source: U.S. DOT Bureau of Transportation Statistics on-time data, September 2025 – August 2026. Covers flights operated by reporting U.S. carriers. About our data
Airlines on this route
| Airline | Flights | On time | Cancelled | Avg. delay when late |
|---|---|---|---|---|
| Southwest Airlines | 670 | 70.8% | 1.0% | 54 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
WN1408
12% late · 52 flights
-
WN572
26% late · 47 flights
-
WN3612
19% late · 43 flights
-
WN1014
26% late · 35 flights
-
WN4633
74% late · 35 flights
-
WN3652
42% late · 33 flights
-
WN2771
67% late · 31 flights
-
WN2335
17% late · 30 flights
-
WN4935
7% late · 30 flights
-
WN1064
0% late · 28 flights
-
WN1672
22% late · 27 flights
-
WN1309
35% late · 26 flights
-
WN3199
36% late · 26 flights
-
WN1572
17% late · 24 flights
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