Historical on-time performance
Dallas-Fort Worth to Washington
1,172 miData through May 2026Source: US DOT · BTS
Flights on DFW–IAD arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled2.2%of scheduled flights
based on 1,755 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- United AirlinesbestOn-time84%Medianon timep9030 minCancel1.1%Flights924
- American AirlinesOn-time67%Medianon timep9075 minCancel3.5%Flights831
Why flights run late
Delay causes
- Airline31%
- Weather7%
- Air traffic (NAS)14%
- Late aircraft49%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline18%
- Weather79%
- Air traffic (NAS)3%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 39 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 DFW → IAD
All airlines · rolling 36 months (2023-06 .. 2026-05).
Best time of day
Mornings are the most reliable time of day to fly this route — 87% on time.
- Mornings87% on time · p90 15 min · 1,306 flights
- Middays76% on time · p90 45 min · 1,968 flights
- Evenings68% on time · p90 70 min · 2,047 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 80% on time.
- Tuesdays80% on time · p90 40 min · 752 flights
- Wednesdays77% on time · p90 45 min · 740 flights
- Fridays76% on time · p90 45 min · 832 flights
- Mondays75% on time · p90 45 min · 820 flights
- Thursdays75% on time · p90 50 min · 819 flights
- Saturdays73% on time · p90 65 min · 690 flights
- Sundays72% on time · p90 45 min · 740 flights
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