Route
SJC → SLC
Mineta San Jose International Airport Salt Lake City International Airport
How punctual is this route?
- On-time arrivals
- 91.9%
- Less than 15 minutes late
- Cancelled
- 0.4%
- Of scheduled flights
- Average delay when late
- 83 min
- Flights arriving 15+ minutes late
- Flights tracked
- 1,794
- Scheduled flights in the period
What caused the delays
- Airline (crew, maintenance, cleaning) 57%
- Late-arriving aircraft 36%
- Air traffic control & airport 4%
- Extreme weather 3%
- Security 0%
Share of delay minutes airlines attributed to each cause (BTS).
Show as table
| Month | On time | Flights |
|---|---|---|
| September 2025 | 92.4% | 158 |
| October 2025 | 92.3% | 168 |
| November 2025 | 93.4% | 155 |
| December 2025 | 93.3% | 137 |
| January 2026 | 96.0% | 124 |
| February 2026 | 93.6% | 126 |
| March 2026 | 92.0% | 138 |
| April 2026 | 92.6% | 135 |
| May 2026 | 91.4% | 162 |
| June 2026 | 89.0% | 163 |
| July 2026 | 88.1% | 169 |
| August 2026 | 90.5% | 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 | 93.2% | 0.5% | 92 min |
| SkyWest Airlines | 662 | 94.1% | 0.2% | 91 min |
| Southwest Airlines | 208 | 78.7% | 0.5% | 63 min |
Delay odds by flight
How often each flight number arrived 15 or more minutes late over the last year.
-
DL1314
5% late · 365 flights
-
DL1254
7% late · 239 flights
-
DL1260
9% late · 117 flights
-
DL2630
13% late · 110 flights
-
OO3821
4% late · 110 flights
-
OO4049
6% late · 109 flights
-
OO3937
16% late · 90 flights
-
OO3550
3% late · 59 flights
-
OO4026
5% late · 57 flights
-
DL2550
6% late · 34 flights
-
OO3667
0% late · 31 flights
-
OO3679
0% late · 31 flights
-
OO3982
10% late · 31 flights
-
WN2284
13% late · 31 flights
-
OO3963
0% late · 29 flights
-
WN3538
52% late · 27 flights
-
WN1164
8% late · 25 flights
-
OO3785
12% late · 24 flights
-
DL720
0% late · 22 flights
-
OO3763
0% late · 22 flights
-
OO4456
9% late · 22 flights
-
WN4392
18% late · 22 flights
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