Route · ORD → SLC · 2020–2025 BTS data
Chicago to Salt Lake City
The ORD–SLC corridor (Chicago, IL → Salt Lake City, UT) runs ahead of the national average, served by 39 carriers across roughly 1,250 miles.
Data updated 2026-06-13
- 81.1%
- On-time
- +2.1 pts
- vs US avg
- 78 min
- Delay when late
- 17,129
- Flights
Cancelled
0.9%
Best Month
Oct 2024 91%
Worst Month
Dec 2025 56%
Distance
1,250 mi
Carriers
39
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 241 | 106 | 2 | 0 | DL,AA,UA,OO |
| Nov 2025 | 240 | 65 | 6 | 0 | OO,UA,DL,AA |
| Oct 2025 | 265 | 75 | 1 | 0 | AA,DL,OO,UA |
| Sep 2025 | 244 | 51 | 1 | 0 | UA,DL,AA |
| Aug 2025 | 260 | 77 | 5 | 0 | AA,OO,UA,DL |
| Jul 2025 | 269 | 106 | 1 | 0 | AA,DL,OO,UA |
| Jun 2025 | 266 | 99 | 1 | 1 | AA,DL,OO,UA |
| May 2025 | 271 | 46 | 0 | 0 | AA,OO,UA,DL |
| Apr 2025 | 264 | 64 | 2 | 0 | DL,F9,OO,UA,AA |
| Mar 2025 | 321 | 79 | 0 | 3 | AA,OO,UA,DL,F9,MQ |
| Feb 2025 | 247 | 70 | 0 | 0 | AA,OO,UA,DL |
| Jan 2025 | 240 | 57 | 0 | 0 | AA,OO,UA,DL,MQ |
| Dec 2024 | 260 | 49 | 0 | 1 | AA,DL,F9,MQ,OO,UA |
| Nov 2024 | 223 | 32 | 1 | 1 | OO,UA,MQ,DL,F9,AA |
| Oct 2024 | 268 | 24 | 0 | 1 | UA,OO,DL,F9,AA |
| Sep 2024 | 257 | 42 | 0 | 0 | OO,UA,AA,DL,F9 |
| Aug 2024 | 242 | 80 | 1 | 3 | AA,DL,F9,OO,UA |
| Jul 2024 | 229 | 67 | 13 | 0 | AA,DL,F9,OO,UA |
| Jun 2024 | 242 | 88 | 2 | 0 | AA,DL,F9,OO,UA |
| May 2024 | 242 | 62 | 6 | 1 | AA,DL,OO,UA |
| Apr 2024 | 236 | 40 | 0 | 0 | AA,DL,OO,UA |
| Mar 2024 | 257 | 37 | 0 | 2 | AA,DL,OO,UA |
| Feb 2024 | 225 | 25 | 0 | 0 | AA,DL,OO,UA |
| Jan 2024 | 239 | 62 | 14 | 1 | AA,DL,OO,UA |
Cancellation Rate
0.9%
56 of 6,048 flights
Diversion Rate
0.2%
14 of 6,048 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
ORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
Origin airport →SLC - Salt Lake City
Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.
Destination airport →Compare the two airports
See ORD and SLC side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to ORD–SLC.
Routes with a similar on-time rate
What the Data Says About ORD to SLC
17,129 tracked flights put the ORD to SLC pairing (Chicago to Salt Lake City) at a 81.1% on-time rate, squarely in line with the wider network. Delays that do occur run 77.8 minutes on average. Across the 1,250-mile route and its 39 carriers, the trailing 24 months show 0.9% cancelled and 0.2% diverted (6,048 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 91% on-time, while Dec 2025 came in at just 56% - a 35-point swing worth factoring into travel timing.
Frequently Asked Questions
How often are flights delayed from ORD to SLC? ▼
What is the cancellation rate for ORD to SLC? ▼
How far is the flight from ORD to SLC? ▼
When is the best time to fly from ORD to SLC? ▼
Flight Guides
Tips and data-driven advice for choosing reliable routes.
Explore PlainFlights
Data source
Data Source: Bureau of Transportation Statistics (BTS), On-Time Performance Data. Statistics reflect cumulative performance across all available reporting periods.
Read our methodology - how this data is sourced, computed, and verified.
Every figure on PlainFlights is rendered directly from BTS On-Time Performance data, no number is typed in by an editor. This page aggregates this specific route's on-time performance and monthly trend, live from the dataset. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.