Route · BWI → SLC · 2020–2025 BTS data
Baltimore to Salt Lake City
The BWI–SLC corridor (Baltimore, MD → Salt Lake City, UT) runs ahead of the national average, served by 4 carriers across roughly 1,865 miles.
Data updated 2026-06-13
- 82%
- On-time
- +3 pts
- vs US avg
- 63 min
- Delay when late
- 3,505
- Flights
Cancelled
0.5%
Best Month
Oct 2024 97%
Worst Month
Dec 2025 59%
Distance
1,865 mi
Carriers
4
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 61 | 25 | 1 | 0 | DL,WN |
| Nov 2025 | 56 | 9 | 1 | 0 | DL,WN |
| Oct 2025 | 61 | 9 | 0 | 0 | DL,WN |
| Sep 2025 | 60 | 7 | 0 | 0 | WN,DL |
| Aug 2025 | 63 | 6 | 0 | 0 | WN,DL |
| Jul 2025 | 66 | 14 | 1 | 0 | WN,DL |
| Jun 2025 | 64 | 19 | 0 | 0 | WN,DL |
| May 2025 | 62 | 13 | 0 | 0 | WN,DL |
| Apr 2025 | 61 | 10 | 0 | 0 | DL,WN |
| Mar 2025 | 69 | 9 | 0 | 0 | WN,DL |
| Feb 2025 | 75 | 22 | 0 | 0 | WN,DL |
| Jan 2025 | 69 | 11 | 1 | 0 | WN,DL |
| Dec 2024 | 59 | 11 | 0 | 0 | DL,WN |
| Nov 2024 | 54 | 5 | 0 | 0 | WN,DL |
| Oct 2024 | 62 | 2 | 0 | 0 | WN,DL |
| Sep 2024 | 60 | 12 | 0 | 0 | WN,DL |
| Aug 2024 | 62 | 19 | 0 | 0 | DL,WN |
| Jul 2024 | 62 | 14 | 4 | 0 | DL,WN |
| Jun 2024 | 60 | 20 | 0 | 0 | DL,WN |
| May 2024 | 62 | 10 | 0 | 0 | DL,WN |
| Apr 2024 | 60 | 11 | 0 | 0 | DL,WN |
| Mar 2024 | 63 | 15 | 0 | 0 | DL,WN |
| Feb 2024 | 58 | 7 | 0 | 0 | DL,WN |
| Jan 2024 | 62 | 19 | 0 | 0 | DL,WN |
Cancellation Rate
0.5%
8 of 1,491 flights
Diversion Rate
0.0%
0 of 1,491 flights
Explore origin & destination
On-time and delay data for the airports this route connects.
BWI - Baltimore
Full on-time, delay-cause, and seasonal performance for Baltimore, MD.
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 BWI 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 BWI–SLC.
Routes with a similar on-time rate
What the Data Says About BWI to SLC
Bureau of Transportation Statistics records show Baltimore to Salt Lake City (BWI to SLC) running a 82% on-time rate over 3,505 tracked flights, on the stronger end of a typical domestic pairing. When flights do run late, the average delay is 62.5 minutes. The 1,865-mile corridor is served by 4 carriers, and over the last 24 months 0.5% of 1,491 flights were cancelled, 0.0% diverted.
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 97% on-time, while Dec 2025 came in at just 59% - a 38-point swing worth factoring into travel timing.
Frequently Asked Questions
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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.