Route
PHX → SLC
Phoenix Sky Harbor International Airport Salt Lake City International Airport
How punctual is this route?
- On-time arrivals
- 83.0%
- Less than 15 minutes late
- Cancelled
- 0.5%
- Of scheduled flights
- Average delay when late
- 67 min
- Flights arriving 15+ minutes late
- Flights tracked
- 5,779
- Scheduled flights in the period
What caused the delays
- Late-arriving aircraft 50%
- Airline (crew, maintenance, cleaning) 41%
- Air traffic control & airport 6%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 86.6% | 413 |
| October 2025 | 83.0% | 476 |
| November 2025 | 82.7% | 477 |
| December 2025 | 83.9% | 515 |
| January 2026 | 83.2% | 490 |
| February 2026 | 84.1% | 488 |
| March 2026 | 85.5% | 581 |
| April 2026 | 79.7% | 522 |
| May 2026 | 82.5% | 500 |
| June 2026 | 79.3% | 435 |
| July 2026 | 80.8% | 447 |
| August 2026 | 84.4% | 435 |
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 | 1,856 | 76.0% | 0.3% | 54 min |
| Delta Air Lines | 1,706 | 90.1% | 0.6% | 86 min |
| SkyWest Airlines | 1,222 | 81.6% | 0.2% | 73 min |
| Frontier Airlines | 708 | 84.8% | 1.3% | 71 min |
| American Airlines | 209 | 88.9% | 0.5% | 86 min |
| Envoy Air | 78 | 84.6% | 0.0% | 43 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1431
12% late · 365 flights
-
DL1535
3% late · 365 flights
-
DL1738
14% late · 258 flights
-
DL1447
5% late · 224 flights
-
F91440
8% late · 210 flights
-
F92526
16% late · 206 flights
-
DL1451
13% late · 160 flights
-
F92524
28% late · 147 flights
-
F93872
10% late · 131 flights
-
OO6485
25% late · 123 flights
-
OO4914
17% late · 115 flights
-
OO4921
27% late · 112 flights
-
DL686
9% late · 108 flights
-
OO6422
10% late · 101 flights
-
OO6282
22% late · 93 flights
-
OO5013
23% late · 90 flights
-
OO6378
11% late · 87 flights
-
DL1520
21% late · 77 flights
-
WN893
44% late · 64 flights
-
OO4968
15% late · 61 flights
-
WN3339
3% late · 60 flights
-
WN4792
43% late · 60 flights
-
WN1797
19% late · 59 flights
-
WN3542
25% late · 59 flights
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