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

Detroit, MI (DTW) to Baltimore, MD (BWI) flight delay odds

79.7% of 2,261 official scheduled DTW-to-BWI flights arrived on time; 11.2% arrived at least 30 minutes late and 1.3% 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
79.7%arrived on time
11.2%30+ min late
1.3%cancelled
2,261scheduled flights
Based on July 2025–June 2026; on time means arrival less than 15 minutes late.
60+ minutes late6.1%all scheduled flights
120+ minutes late2.4%all scheduled flights
Diverted0.1%did not reach as scheduled
Average arrival+4.8 mincompleted flights

Which departure time was most reliable for DTW to BWI?

Among qualifying DTW-to-BWI departure window results, Early morning had the highest on-time rate: 88.5% of 669 flights. Evening was lowest at 59.8% across 164 flights.

Departure windowFlightsOn time30+ minCancelled
Early morning66988.5%5.8%0.9%
Late morning27986.4%9.3%0.7%
Afternoon73574.7%13.2%1.1%
Evening16459.8%21.3%2.4%
Night41478.0%13.5%2.4%

Which weekday was most reliable for DTW to BWI?

Among qualifying DTW-to-BWI weekday results, Tuesday had the highest on-time rate: 85.0% of 306 flights. Sunday was lowest at 74.2% across 345 flights.

DayFlightsOn time30+ minCancelled
Monday34275.4%14.0%1.5%
Tuesday30685.0%8.5%1.6%
Wednesday30383.2%10.2%0.3%
Thursday31579.4%12.7%0.3%
Friday34377.8%11.4%1.2%
Saturday30784.7%8.8%0.3%
Sunday34574.2%12.2%3.8%

Which airline was most reliable for DTW to BWI?

Among qualifying DTW-to-BWI airline results, Spirit Airlines had the highest on-time rate: 82.6% of 109 flights. Frontier Airlines was lowest at 75.3% across 150 flights.

AirlineFlightsOn time30+ minCancelled
Delta Air Lines1,20480.6%11.9%1.5%
Southwest Airlines78478.6%9.1%1.0%
Frontier Airlines15075.3%15.3%2.0%
Spirit Airlines10982.6%14.7%0.0%
Republic Airways1492.9%0.0%7.1%

Which month was most reliable for DTW to BWI?

Among qualifying DTW-to-BWI month results, October 2025 had the highest on-time rate: 90.5% of 232 flights. December 2025 was lowest at 69.1% across 165 flights.

MonthFlightsOn time30+ minCancelled
July 202521974.4%15.5%1.8%
August 202522782.8%9.7%0.0%
September 202521887.2%9.2%0.0%
October 202523290.5%6.0%0.0%
November 202516082.5%12.5%0.0%
December 202516569.1%17.6%2.4%
January 202615973.6%10.7%3.1%
February 202613880.4%9.4%2.2%
March 202615973.6%14.5%3.1%
April 202617583.4%8.0%1.1%
May 202620678.6%9.7%1.9%
June 202620375.4%13.3%1.5%

What drove DTW to BWI delay minutes?

Airline was the largest recorded DTW-to-BWI delay category, accounting for 42.8% of 27,469 BTS-attributed delay minutes during July 2025–June 2026.

Airline42.8%
Late aircraft29.0%
National airspace25.7%
Weather2.4%
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.