Skip to content
WanderNerd
Check a flight

Route Reliability

Baltimore → Detroit

BWI–DTW · 409 miles · Baltimore/Washington International Thurgood Marshall Airport to Detroit Metropolitan Wayne County Airport

83
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
5 min
Average arrival delay
1.7%
Cancelled
2,269
Flights in the data

Data through May 2026.

Who flies it best

Ranked by on-time arrivals. Historical results, not predictions.

  1. 1.Delta Air Lines87%1,219 flights
  2. 2.Southwest Airlines76%794 flights
  3. 3.Spirit Airlines75%124 flights
  4. 4.Frontier Airlines70%132 flights

What the data says

Morning flights do better here.

BWI–DTW flights departing between 6–9 AM arrived on time 93% of the time, versus 64% between 6–9 PM.

Sunday scaries are real for this one.

BWI–DTW flights arrived on time 88% of the time on Tuesdays. On Sundays: 76%.

Delta Air Lines has a clear lead on this route.

Delta Air Lines arrived on time 87% of the time on this route; Frontier Airlines managed 70%.

Best historical flights

Ranked by on-time arrivals, minimum 100 flights. Past performance, not a promise.

Top flights by on-time rate

More flights on this route

The breakdown

On-time by weekday
  • Mon79%(342 flights)
  • Tue88%(291 flights)
  • Wed86%(296 flights)
  • Thu86%(313 flights)
  • Fri79%(338 flights)
  • Sat82%(306 flights)
  • Sun76%(345 flights)
On-time by departure window
  • 3–6 AM92%(36 flights)
  • 6–9 AM93%(342 flights)
  • 9 AM–12 PM87%(639 flights)
  • 12–3 PM86%(344 flights)
  • 3–6 PM79%(427 flights)
  • 6–9 PM64%(172 flights)
  • 9 PM–12 AM65%(271 flights)
On-time trend by month
81%
May

Jun 76% → May 81% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202576%213
July 202573%210
August 202585%227
September 202588%216
October 202591%231
November 202585%158
December 202573%160
January 202684%153
February 202685%135
March 202676%153
April 202684%173
May 202681%202

Same trip, other airports

Keep nerding

Based on 2,269 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.