BTS DATA COMPLETE THROUGH JUNE 2026HISTORICAL ODDS · NOT LIVE FLIGHT STATUS
DelayOddsKnow the route before you book
BWI→SLC

Baltimore, MD (BWI) to Salt Lake City, UT (SLC) flight delay odds

75.7% of 770 official scheduled BWI-to-SLC flights arrived on time; 13.5% arrived at least 30 minutes late and 1.6% were cancelled during July 2025–June 2026.

Source: U.S. Bureau of Transportation Statistics · Reporting window: July 2025–June 2026 · Updated September 16, 2026

HISTORICAL ROUTE SIGNALGenerally reliable
75.7%arrived on time
13.5%30+ min late
1.6%cancelled
770scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.5%all scheduled flights
120+ minutes late1.6%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+7.1 mincompleted flights

Which departure time was most reliable for BWI to SLC?

Among qualifying BWI-to-SLC departure window results, Early morning had the highest on-time rate: 80.4% of 424 flights. Evening was lowest at 56.9% across 102 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning42480.4%8.7%1.9%
Late morning11076.4%13.6%0.9%
Afternoon13075.4%13.8%0.8%
Evening10256.9%31.4%2.0%

Which weekday was most reliable for BWI to SLC?

Among qualifying BWI-to-SLC weekday results, Tuesday had the highest on-time rate: 85.0% of 107 flights. Sunday was lowest at 68.2% across 110 flights.

DayFlightsOn time30+ minCancelled
Monday10979.8%11.9%3.7%
Tuesday10785.0%9.3%0.9%
Wednesday10475.0%13.5%0.0%
Thursday10580.0%11.4%1.0%
Friday10773.8%11.2%0.0%
Saturday12869.5%21.1%0.0%
Sunday11068.2%14.5%5.5%

Which airline was most reliable for BWI to SLC?

Among qualifying BWI-to-SLC airline results, Delta Air Lines had the highest on-time rate: 78.9% of 360 flights. Southwest Airlines was lowest at 72.9% across 410 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines41072.9%16.8%1.5%
Delta Air Lines36078.9%9.7%1.7%

Which month was most reliable for BWI to SLC?

Among qualifying BWI-to-SLC month results, August 2025 had the highest on-time rate: 90.5% of 63 flights. December 2025 was lowest at 57.4% across 61 flights.

MonthFlightsOn time30+ minCancelled
July 20256677.3%12.1%1.5%
August 20256390.5%6.3%0.0%
September 20256088.3%6.7%0.0%
October 20256185.2%4.9%0.0%
November 20255682.1%7.1%1.8%
December 20256157.4%29.5%1.6%
January 20267080.0%8.6%5.7%
February 20267878.2%9.0%5.1%
March 20266860.3%26.5%0.0%
April 20266182.0%13.1%1.6%
May 20266264.5%12.9%0.0%
June 20266464.1%25.0%0.0%

What drove BWI to SLC delay minutes?

Airline was the largest recorded BWI-to-SLC delay category, accounting for 50.6% of 9,619 BTS-attributed delay minutes during July 2025–June 2026.

Airline50.6%
Late aircraft24.7%
National airspace20.7%
Weather3.8%
Security0.3%
This is historical evidence, not a forecast.

Weather, schedules and operations change. For a trip you have already booked, use the airline or airport for live status.