Route
LAS → SLC
Harry Reid International Airport Salt Lake City International Airport
How punctual is this route?
- On-time arrivals
- 81.7%
- Less than 15 minutes late
- Cancelled
- 0.7%
- Of scheduled flights
- Average delay when late
- 64 min
- Flights arriving 15+ minutes late
- Flights tracked
- 3,724
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 62%
- Airline (crew, maintenance, cleaning) 29%
- Air traffic control & airport 10%
- Extreme weather 0%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 78.9% | 314 |
| October 2025 | 84.6% | 320 |
| November 2025 | 85.5% | 298 |
| December 2025 | 86.8% | 314 |
| January 2026 | 86.1% | 318 |
| February 2026 | 88.7% | 295 |
| March 2026 | 84.4% | 343 |
| April 2026 | 81.4% | 338 |
| May 2026 | 77.1% | 315 |
| June 2026 | 77.1% | 293 |
| July 2026 | 76.0% | 302 |
| August 2026 | 72.5% | 274 |
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 |
|---|---|---|---|---|
| Delta Air Lines | 1,715 | 84.9% | 0.6% | 77 min |
| Southwest Airlines | 1,446 | 75.2% | 0.6% | 52 min |
| Frontier Airlines | 535 | 89.4% | 1.1% | 81 min |
| NK | 28 | 77.8% | 3.6% | 96 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL2674
5% late · 365 flights
-
DL1659
19% late · 327 flights
-
DL1672
25% late · 314 flights
-
F93016
7% late · 199 flights
-
F91508
16% late · 169 flights
-
DL1698
14% late · 133 flights
-
F92576
7% late · 92 flights
-
DL1690
9% late · 80 flights
-
DL1608
4% late · 75 flights
-
F94696
12% late · 75 flights
-
DL1244
14% late · 74 flights
-
DL1590
29% late · 66 flights
-
DL1316
8% late · 62 flights
-
WN2957
10% late · 60 flights
-
WN2192
17% late · 59 flights
-
WN2786
40% late · 57 flights
-
DL1697
11% late · 55 flights
-
WN2254
9% late · 55 flights
-
WN3310
29% late · 52 flights
-
WN4225
58% late · 52 flights
-
WN3333
15% late · 46 flights
-
WN2258
33% late · 42 flights
-
WN2768
10% late · 42 flights
-
WN1691
22% late · 41 flights
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