Route
SLC → SJC
Salt Lake City International Airport Mineta San Jose International Airport
How punctual is this route?
- On-time arrivals
- 86.7%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 71 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,796
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 62%
- Late-arriving aircraft 26%
- Air traffic control & airport 6%
- Extreme weather 6%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 89.8% | 158 |
| October 2025 | 87.5% | 168 |
| November 2025 | 85.6% | 155 |
| December 2025 | 86.8% | 137 |
| January 2026 | 88.8% | 126 |
| February 2026 | 87.3% | 126 |
| March 2026 | 85.4% | 138 |
| April 2026 | 88.8% | 135 |
| May 2026 | 87.0% | 162 |
| June 2026 | 83.4% | 163 |
| July 2026 | 87.6% | 169 |
| August 2026 | 83.0% | 159 |
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 | 924 | 85.7% | 0.4% | 76 min |
| SkyWest Airlines | 664 | 92.0% | 0.2% | 82 min |
| Southwest Airlines | 208 | 74.3% | 1.0% | 48 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1272
17% late · 365 flights
-
DL1254
10% late · 239 flights
-
DL1260
16% late · 117 flights
-
DL2630
20% late · 110 flights
-
OO3821
5% late · 110 flights
-
OO4049
4% late · 109 flights
-
OO3937
22% late · 90 flights
-
OO4026
3% late · 86 flights
-
OO3550
7% late · 59 flights
-
DL2550
3% late · 34 flights
-
OO3667
6% late · 31 flights
-
OO3679
3% late · 31 flights
-
OO3982
6% late · 31 flights
-
WN286
41% late · 27 flights
-
OO3785
12% late · 24 flights
-
WN4310
17% late · 24 flights
-
DL720
5% late · 22 flights
-
OO3763
5% late · 22 flights
-
OO4456
23% late · 22 flights
-
WN4287
0% late · 21 flights
Reviews
No reviews yet. Be the first to review this route.