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

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

79.0% of 770 official scheduled SLC-to-BWI flights arrived on time; 9.5% arrived at least 30 minutes late and 1.4% 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
79.0%arrived on time
9.5%30+ min late
1.4%cancelled
770scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late3.4%all scheduled flights
120+ minutes late1.3%all scheduled flights
Diverted0.4%did not reach as scheduled
Average arrival+2.5 mincompleted flights

Which departure time was most reliable for SLC to BWI?

Among qualifying SLC-to-BWI departure window results, Early morning had the highest on-time rate: 92.5% of 53 flights. Afternoon was lowest at 72.7% across 165 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning5392.5%5.7%1.9%
Late morning7477.0%12.2%2.7%
Afternoon16572.7%14.5%1.2%
Evening8381.9%7.2%3.6%
Night39579.5%7.8%0.8%

Which weekday was most reliable for SLC to BWI?

Among qualifying SLC-to-BWI weekday results, Saturday had the highest on-time rate: 86.8% of 129 flights. Sunday was lowest at 67.3% across 110 flights.

DayFlightsOn time30+ minCancelled
Monday10976.1%11.0%1.8%
Tuesday10784.1%5.6%0.0%
Wednesday10185.1%6.9%1.0%
Thursday10778.5%9.3%0.0%
Friday10773.8%10.3%0.0%
Saturday12986.8%6.2%0.8%
Sunday11067.3%17.3%6.4%

Which airline was most reliable for SLC to BWI?

Among qualifying SLC-to-BWI airline results, Southwest Airlines had the highest on-time rate: 81.2% of 410 flights. Delta Air Lines was lowest at 76.4% across 360 flights.

AirlineFlightsOn time30+ minCancelled
Southwest Airlines41081.2%10.0%1.2%
Delta Air Lines36076.4%8.9%1.7%

Which month was most reliable for SLC to BWI?

Among qualifying SLC-to-BWI month results, March 2026 had the highest on-time rate: 91.2% of 68 flights. May 2026 was lowest at 58.1% across 62 flights.

MonthFlightsOn time30+ minCancelled
July 20256671.2%12.1%1.5%
August 20256382.5%15.9%0.0%
September 20256085.0%6.7%0.0%
October 20256078.3%10.0%0.0%
November 20255787.7%8.8%1.8%
December 20256068.3%15.0%1.7%
January 20267180.3%2.8%5.6%
February 20267875.6%10.3%3.8%
March 20266891.2%7.4%0.0%
April 20266190.2%3.3%1.6%
May 20266258.1%11.3%0.0%
June 20266479.7%10.9%0.0%

What drove SLC to BWI delay minutes?

Airline was the largest recorded SLC-to-BWI delay category, accounting for 40.2% of 6,735 BTS-attributed delay minutes during July 2025–June 2026.

Airline40.2%
Late aircraft30.1%
National airspace27.4%
Weather2.1%
Security0.1%
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.