Route · SLC → BWI · 2020–2025 BTS data
Salt Lake City to Baltimore
The SLC–BWI corridor (Salt Lake City, UT → Baltimore, MD) runs ahead of the national average, served by 4 carriers across roughly 1,865 miles.
Data updated 2026-06-13
- 81.2%
- On-time
- +2.2 pts
- vs US avg
- 53 min
- Delay when late
- 3,507
- Flights
Cancelled
0.7%
Best Month
Oct 2024 93%
Worst Month
Aug 2024 42%
Distance
1,865 mi
Carriers
4
Monthly Performance
Recent 24 months of route data.
| Period | Flights | Delayed | Cancelled | Diverted | Carriers |
|---|---|---|---|---|---|
| Dec 2025 | 60 | 18 | 1 | 0 | DL,WN |
| Nov 2025 | 57 | 6 | 1 | 0 | DL,WN |
| Oct 2025 | 60 | 13 | 0 | 0 | DL,WN |
| Sep 2025 | 60 | 9 | 0 | 0 | WN,DL |
| Aug 2025 | 63 | 11 | 0 | 0 | WN,DL |
| Jul 2025 | 66 | 17 | 1 | 1 | WN,DL |
| Jun 2025 | 64 | 15 | 0 | 0 | WN,DL |
| May 2025 | 62 | 14 | 0 | 0 | WN,DL |
| Apr 2025 | 61 | 10 | 0 | 0 | DL,WN |
| Mar 2025 | 69 | 14 | 0 | 1 | WN,DL |
| Feb 2025 | 75 | 15 | 0 | 0 | WN,DL |
| Jan 2025 | 70 | 10 | 1 | 0 | WN,DL |
| Dec 2024 | 58 | 14 | 0 | 0 | DL,WN |
| Nov 2024 | 55 | 6 | 0 | 0 | WN,DL |
| Oct 2024 | 61 | 4 | 0 | 0 | WN,DL |
| Sep 2024 | 60 | 15 | 0 | 0 | WN,DL |
| Aug 2024 | 62 | 36 | 1 | 1 | DL,WN |
| Jul 2024 | 62 | 25 | 4 | 0 | DL,WN |
| Jun 2024 | 60 | 21 | 0 | 0 | DL,WN |
| May 2024 | 62 | 7 | 0 | 0 | DL,WN |
| Apr 2024 | 60 | 5 | 0 | 0 | DL,WN |
| Mar 2024 | 63 | 13 | 0 | 0 | DL,WN |
| Feb 2024 | 58 | 8 | 0 | 0 | DL,WN |
| Jan 2024 | 62 | 20 | 1 | 0 | DL,WN |
Cancellation Rate
0.7%
10 of 1,490 flights
Diversion Rate
0.2%
3 of 1,490 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.
Origin airport →BWI - Baltimore
Full on-time, delay-cause, and seasonal performance for Baltimore, MD.
Destination airport →Compare the two airports
See SLC and BWI side by side on delays, cancellations, and reliability.
Open comparison tool →Similar routes
Other BTS-tracked routes with comparable performance or trip length to SLC–BWI.
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What the Data Says About SLC to BWI
3,507 tracked flights put the SLC to BWI pairing (Salt Lake City to Baltimore) at a 81.2% on-time rate, squarely in line with the wider network. Delays that do occur run 53.4 minutes on average. Across the 1,865-mile route and its 4 carriers, the trailing 24 months show 0.7% cancelled and 0.2% diverted (1,490 flights sampled).
The monthly split is wide on this route: Oct 2024 posted the strongest performance at 93% on-time, while Aug 2024 came in at just 42% - a 52-point swing worth factoring into travel timing.
Frequently Asked Questions
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Flight Guides
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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.