Historical on-time performance
Washington to Orlando
Flights on IAD–MCO arrive on time 82% of the time over the last 12 months.
based on 2,000 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
Not enough comparable data to name a most-on-time carrier — low-data carriers aren't ranked.
- United AirlinesOn-time82%Medianon timep9035 minCancel0.6%Flights1,932
- Frontier AirlinesOn-time81%Medianon timep9020 minCancel1.5%Flights68
Why flights run late
Delay causes
- Airline23%
- Weather6%
- Air traffic (NAS)43%
- Late aircraft29%
- Security0%
Most delay minutes here are attributed to Air traffic (NAS).
When flights don't go
Why flights were cancelled
- Airline8%
- Weather83%
- Air traffic (NAS)8%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 12 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 IAD → MCO
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
On-time rates are fairly even by time of day on this route — ranging from 67% to 82% on time.
- Mornings82% on time · p90 30 min · 1,731 flights
- Middays80% on time · p90 40 min · 1,293 flights
- Overnights78% on time · p90 40 min · 1,114 flights
- Afternoons74% on time · p90 65 min · 275 flights
- Evenings67% on time · p90 80 min · 1,325 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 82% on time.
- Tuesdays82% on time · p90 35 min · 752 flights
- Wednesdays80% on time · p90 35 min · 755 flights
- Saturdays78% on time · p90 40 min · 829 flights
- Mondays76% on time · p90 55 min · 841 flights
- Thursdays76% on time · p90 45 min · 845 flights
- Fridays76% on time · p90 45 min · 859 flights
- Sundays72% on time · p90 65 min · 857 flights
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