OnTimeStats

Historical on-time performance

Detroit to Baltimore

408 miData through Dec 2025Source: US DOT · BTS

Flights on DTW–BWI arrive on time 82% of the time over the last 12 months.

On-time rate82%arrived within 15 min
p90 delay30 min1 in 10 flights is worse (tail risk)
Cancelled0.6%of scheduled flights

based on 2,037 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).

By airline

How each carrier compares

  • Spirit Airlinesbest
    On-time90%
    Medianon time
    p9010 min
    Cancel0.0%
    Flights60
  • Delta Air Lines
    On-time82%
    Medianon time
    p9035 min
    Cancel0.5%
    Flights1,181
  • Southwest Airlines
    On-time81%
    Medianon time
    p9025 min
    Cancel0.8%
    Flights796

Why flights run late

Delay causes

  • Airline43%
  • Weather2%
  • Air traffic (NAS)30%
  • Late aircraft25%
  • Security1%

Most delay minutes here are attributed to Airline.

Over time

On-time trend

By season

On-time rate by month

When to fly

Best time to fly DTW → BWI

All airlines · rolling 36 months (2023-01 .. 2025-12).

Best time of day

Mornings are the most reliable time of day to fly this route — 90% on time.

  • Mornings90% on time · p90 10 min · 1,585 flights
  • Middays86% on time · p90 20 min · 1,400 flights
  • Afternoons79% on time · p90 35 min · 1,457 flights
  • Overnights76% on time · p90 50 min · 1,180 flights
  • Evenings62% on time · p90 65 min · 541 flights

Best day of week

On-time rates are fairly even by day on this route — ranging from 78% to 87% on time.

  • Tuesdays87% on time · p90 20 min · 818 flights
  • Wednesdays84% on time · p90 25 min · 859 flights
  • Mondays81% on time · p90 35 min · 932 flights
  • Thursdays81% on time · p90 30 min · 850 flights
  • Saturdays81% on time · p90 30 min · 840 flights
  • Fridays79% on time · p90 40 min · 926 flights
  • Sundays78% on time · p90 40 min · 938 flights
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Keep exploring

Related pages

Delay predictorfor this route→DTW airportDetroit→BWI airportBaltimore→Endeavor Air on this routecarrier detail→Endeavor Airairline profile→

Methodology

A flight is on time when it arrives within 15 minutes of schedule — the US DOT / BTS standard. Median and p90(the “1-in-10 bad day”) are read from the full arrival-delay distribution, never averaged across periods.

Figures cover a carrier’s own BTS-coded flights. Cells below ~200 flights are flagged as limited data. All numbers are pre-computed from public BTS On-Time Performance data.