Historical on-time performance
Lansing to Washington
479 miData through May 2026Source: US DOT · BTS
No flights recorded for last 12 months on this route.
By airline
How each carrier compares
No airline figures for this window yet.
Why flights run late
Delay causes
Delay-cause data appears once delayed flights are recorded for this window.
When flights don't go
Why flights were cancelled
- Airline24%
- Weather76%
- Air traffic (NAS)0%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 21 cancellations with a reported cause (BTS reports causes from June 2003).
Over time
On-time trend
By season
On-time rate by month
When to fly
Best time to fly LAN → DCA
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Middays are the most reliable time of day to fly this route — 81% on time.
- Middays81% on time · p90 40 min · 110 flights · limited
- Evenings59% on time · p90 105 min · 765 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 57% to 64% on time.
- Sundays64% on time · p90 105 min · 148 flights · limited
- Thursdays63% on time · p90 70 min · 144 flights · limited
- Mondays62% on time · p90 110 min · 148 flights · limited
- Fridays61% on time · p90 85 min · 146 flights · limited
- Tuesdays61% on time · p90 115 min · 150 flights · limited
- Wednesdays57% on time · p90 80 min · 149 flights · limited
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