Route · SLC → ORD · 2020–2025 BTS data
Salt Lake City to Chicago
According to PlainFlights' route traffic ranking (BTS On-Time Performance total flights), SLC to ORD (Salt Lake City to Chicago) ranks #470 of 4927 tracked domestic routes by total flights (most flights = #1).
Data updated 2026-06-13
- 81.8%
- On-time
- +2.8 pts
- vs US avg
- 88 min
- Delay when late
- 17,128
- Flights
- #470 of 4927
- Corpus placement
Cancelled
1.0%
Best Month
Sep 2024 89%
Worst Month
Jul 2025 66%
Distance
1,250 mi
Carriers
38
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 241 | 73 | 1 | 1 | DL,AA,UA,OO |
| Nov 2025 | 240 | 55 | 7 | 0 | OO,UA,DL,AA |
| Oct 2025 | 265 | 53 | 1 | 1 | AA,DL,OO,UA |
| Sep 2025 | 244 | 45 | 1 | 0 | UA,OO,DL,AA |
| Aug 2025 | 260 | 58 | 5 | 6 | AA,OO,UA,DL |
| Jul 2025 | 269 | 92 | 1 | 0 | AA,DL,OO,UA |
| Jun 2025 | 266 | 67 | 0 | 3 | AA,DL,OO,UA |
| May 2025 | 271 | 55 | 0 | 2 | AA,DL,OO,UA |
| Apr 2025 | 264 | 45 | 4 | 3 | DL,F9,OO,UA,AA |
| Mar 2025 | 322 | 63 | 0 | 4 | AA,OO,UA,DL,F9,MQ |
| Feb 2025 | 246 | 57 | 1 | 0 | AA,OO,UA,DL |
| Jan 2025 | 241 | 44 | 0 | 0 | AA,OO,UA,DL,MQ |
| Dec 2024 | 259 | 50 | 0 | 0 | AA,DL,F9,MQ,OO,UA |
| Nov 2024 | 223 | 33 | 1 | 0 | OO,UA,MQ,DL,F9,AA |
| Oct 2024 | 267 | 40 | 0 | 0 | UA,OO,DL,F9,AA |
| Sep 2024 | 257 | 27 | 1 | 0 | OO,UA,AA,DL,F9 |
| Aug 2024 | 242 | 57 | 1 | 0 | AA,DL,F9,OO,UA |
| Jul 2024 | 229 | 58 | 13 | 4 | AA,DL,F9,OO,UA |
| Jun 2024 | 242 | 55 | 2 | 0 | AA,DL,F9,OO,UA |
| May 2024 | 243 | 58 | 5 | 4 | AA,DL,OO,UA |
| Apr 2024 | 236 | 44 | 0 | 0 | AA,DL,OO,UA |
| Mar 2024 | 258 | 41 | 0 | 1 | AA,DL,OO,UA |
| Feb 2024 | 224 | 24 | 1 | 3 | AA,DL,OO,UA |
| Jan 2024 | 241 | 54 | 14 | 1 | AA,DL,OO,UA |
SLC–ORD seasonal on-time pattern
Best: September (86.9%) · weakest: July (76.5%)
Strongest calendar month
September
86.9% on-time · ~241 flights/mo
Busiest calendar month
March
~275 flights/mo avg
Weakest calendar month
July
76.5% on-time · ~243 flights/mo
Cancellation Rate
1.0%
59 of 6,050 flights
Diversion Rate
0.5%
33 of 6,050 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
SLC - Salt Lake City
Full on-time, delay-cause, and seasonal performance for Salt Lake City, UT.
SLC on-time profileORD - Chicago
Full on-time, delay-cause, and seasonal performance for Chicago, IL.
ORD on-time profileCompare the two airports
See SLC and ORD side by side on delays, cancellations, and reliability.
Compare SLC vs ORDOrigin-hub reliability standing
Mid-pack among SLC departures
From SLC, this corridor sits with 31 other 75–85% on-time routes out of 85 tracked departures, not the hub's reliability leaders (54 at ≥85%) and not the softest ( 0 below 75%). Destination: Chicago · fleet on-time rank #2449 of 4927.
Similar routes
Other BTS-tracked routes with comparable performance or trip length to SLC–ORD.
Routes with a similar on-time rate
What the Data Says About SLC to ORD
17,128 tracked flights put the SLC to ORD pairing (Salt Lake City to Chicago) at a 81.8% on-time rate, squarely in line with the wider network. Delays that do occur run 87.6 minutes on average. Across the 1,250-mile route and its 38 carriers, the trailing 24 months show 1.0% cancelled and 0.5% diverted (6,050 flights sampled).
The monthly split is wide on this route: Sep 2024 posted the strongest performance at 89% on-time, while Jul 2025 came in at just 66% - a 24-point swing worth factoring into travel timing.
On the multi-year calendar, SLC–ORD peaks in September at 86.9% on-time while March carries the heaviest traffic (~275 flights per month) ; the softest month is July at 76.5%, a 10.4-point swing that repeats because the corridor's weather and holiday mix stays stable year to year.
Frequently Asked Questions
Where does SLC to ORD rank among US routes by traffic? ▼
How often are flights delayed from SLC to ORD? ▼
What is the cancellation rate for SLC to ORD? ▼
How far is the flight from SLC to ORD? ▼
When is the best time to fly from SLC to ORD? ▼
Airports on this route
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.
Using SLC–ORD data
SLC–ORD is mid-pack at 81.8% on-time; month and carrier mix move more than the corridor headline.
- Compare SLC and ORD airport profiles: delay causes and top routes differ even on the same corridor. SLC airport
- If your dates flex, September (86.9% on-time) beats July (76.5%) on this corridor. Seasonal chart
- 4 other routes post a similar 81.8% on-time rate; compare before you commit to this pairing. Similar routes
On-time rate reflects the BTS historical average across all reporting carriers on this origin–destination pair, not any single flight or booking recommendation.
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.