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

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

Historically, 79.0% of scheduled reportable flights on this direction arrived on time in July 2025–June 2026. The sample includes 770 flights.

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

When is this route most reliable?

The same route can behave differently through the day. These are scheduled departure windows, not actual departure times. Small time windows with fewer than 40 flights are withheld.

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%

Weekday comparison

Day-of-week results use at least 30 scheduled flights per row. Look for broad patterns, not tiny percentage differences.

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%

Airline comparison

Marketing-carrier results make codeshare flights easier to compare as travelers buy them. Dedicated route-airline reports require at least 160 flights.

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

Monthly trend

Month-by-month results show whether a twelve-month average hides an unusual period.

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 reported delay minutes?

BTS cause minutes are reported for qualifying delayed flights. These shares describe recorded delay minutes—not the chance that a particular cause will affect your next flight.

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.