Route Reliability
Baltimore → Salt Lake City
BWI–SLC · 1,865 miles · Baltimore/Washington International Thurgood Marshall Airport to Salt Lake City International Airport
- 79%
- Arrive within 15 minutes
- 7 min
- Average arrival delay
- 1.6%
- Cancelled
- 770
- Flights in the data
Data through May 2026.
Who flies it best
Ranked by on-time arrivals. Historical results, not predictions.
- 1.Delta Air Lines82%360 flights
- 2.Southwest Airlines76%410 flights
What the data says
Morning-you made the right choice.
BWI–SLC flights departing between 6–9 AM arrived on time 84% of the time, versus 61% between 6–9 PM.
Skip Saturday if you can.
BWI–SLC flights arrived on time 85% of the time on Tuesdays. On Saturdays: 72%.
Delta Air Lines has a slight edge here.
Delta Air Lines arrived on time 82% of the time on this route; Southwest Airlines managed 76%.
Slipping a little lately.
BWI–SLC flights arrived on time 71% of the time over the last three months in the data, compared with 77% in the three months before that.
Flights on this route
The breakdown
- Mon79%(105 flights)
- Tue85%(104 flights)
- Wed78%(104 flights)
- Thu84%(104 flights)
- Fri80%(106 flights)
- Sat72%(128 flights)
- Sun75%(106 flights)
- 6–9 AM84%(419 flights)
- 9 AM–12 PM79%(104 flights)
- 12–3 PM75%(141 flights)
- 3–6 PM—(6 flights)
- 6–9 PM61%(87 flights)
Jun 72% → May 69% on time
| Month | On-time percentage | Flights |
|---|---|---|
| June 2025 | 72% | 64 |
| July 2025 | 79% | 65 |
| August 2025 | 91% | 63 |
| September 2025 | 90% | 60 |
| October 2025 | 87% | 61 |
| November 2025 | 84% | 55 |
| December 2025 | 62% | 60 |
| January 2026 | 85% | 66 |
| February 2026 | 84% | 74 |
| March 2026 | 60% | 68 |
| April 2026 | 83% | 60 |
| May 2026 | 69% | 61 |
Same trip, other airports
Keep nerding
Based on 770 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.