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Route Reliability

Detroit → Baltimore

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

84
Pretty Reliable
WanderNerd Reliability Score
82%
Arrive within 15 minutes
5 min
Average arrival delay
1.2%
Cancelled
2,273
Flights in the data

Data through May 2026.

Who flies it best

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

  1. 1.Spirit Airlines84%127 flights
  2. 2.Delta Air Lines82%1,219 flights
  3. 3.Southwest Airlines82%793 flights
  4. 4.Frontier Airlines77%134 flights

What the data says

Morning flights do better here.

DTW–BWI flights departing between 3–6 AM arrived on time 95% of the time, versus 68% between 6–9 PM.

Monday is the weak spot.

DTW–BWI flights arrived on time 87% of the time on Tuesdays. On Mondays: 79%.

Spirit Airlines runs this route best.

Spirit Airlines arrived on time 84% of the time on this route; Frontier Airlines managed 77%.

Ticking up lately.

DTW–BWI flights arrived on time 81% of the time over the last three months in the data, compared with 77% in the three months before that.

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%(341 flights)
  • Tue87%(292 flights)
  • Wed84%(299 flights)
  • Thu79%(313 flights)
  • Fri80%(341 flights)
  • Sat85%(310 flights)
  • Sun79%(346 flights)
On-time by departure window
  • 3–6 AM95%(380 flights)
  • 6–9 AM83%(302 flights)
  • 9 AM–12 PM88%(290 flights)
  • 12–3 PM81%(218 flights)
  • 3–6 PM72%(571 flights)
  • 6–9 PM68%(76 flights)
  • 9 PM–12 AM80%(405 flights)
On-time trend by month
80%
May

Jun 80% → May 80% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202580%214
July 202576%215
August 202584%226
September 202587%218
October 202591%232
November 202583%160
December 202573%161
January 202677%154
February 202683%134
March 202677%153
April 202685%173
May 202680%202

Same trip, other airports

Keep nerding

Based on 2,273 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.