Route
SLC → PHX
Salt Lake City International Airport Phoenix Sky Harbor International Airport
How punctual is this route?
- On-time arrivals
- 83.5%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 76 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,778
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 47%
- Airline (crew, maintenance, cleaning) 38%
- Air traffic control & airport 12%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 87.8% | 413 |
| October 2025 | 79.4% | 476 |
| November 2025 | 78.5% | 478 |
| December 2025 | 87.7% | 514 |
| January 2026 | 86.7% | 490 |
| February 2026 | 85.0% | 488 |
| March 2026 | 87.5% | 582 |
| April 2026 | 83.6% | 522 |
| May 2026 | 85.4% | 501 |
| June 2026 | 78.8% | 435 |
| July 2026 | 79.4% | 447 |
| August 2026 | 80.1% | 432 |
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 | 1,854 | 78.8% | 0.5% | 56 min |
| Delta Air Lines | 1,707 | 87.6% | 0.5% | 65 min |
| SkyWest Airlines | 1,222 | 85.3% | 0.2% | 124 min |
| Frontier Airlines | 708 | 82.3% | 1.3% | 88 min |
| American Airlines | 209 | 85.6% | 0.5% | 80 min |
| Envoy Air | 78 | 81.8% | 0.0% | 40 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1431
15% late · 365 flights
-
OO6327
11% late · 365 flights
-
DL1447
5% late · 363 flights
-
DL1496
13% late · 359 flights
-
DL1738
15% late · 319 flights
-
DL1451
11% late · 241 flights
-
F93871
13% late · 214 flights
-
F94949
17% late · 198 flights
-
F92523
21% late · 173 flights
-
F91439
21% late · 120 flights
-
OO6282
18% late · 108 flights
-
OO6422
12% late · 101 flights
-
OO6380
20% late · 80 flights
-
OO6338
18% late · 75 flights
-
OO6378
11% late · 70 flights
-
WN1471
23% late · 64 flights
-
WN3751
12% late · 60 flights
-
WN1599
0% late · 58 flights
-
WN4351
25% late · 55 flights
-
OO4928
46% late · 52 flights
-
WN2102
24% late · 51 flights
-
WN403
18% late · 51 flights
-
WN3607
22% late · 50 flights
-
WN4052
8% late · 50 flights
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