Historical on-time performance
Chicago to Dallas
798 miData through May 2026Source: US DOT · BTS
Flights on ORD–DAL arrive on time 70% of the time over the last 12 months.
On-time rate70%arrived within 15 min
p90 delay60 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 594 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time70%Medianon timep9060 minCancel1.0%Flights594
Why flights run late
Delay causes
- Airline19%
- Weather2%
- Air traffic (NAS)15%
- Late aircraft64%
- Security0%
Most delay minutes here are attributed to Late aircraft.
When flights don't go
Why flights were cancelled
- Airline17%
- Weather67%
- Air traffic (NAS)17%
- Security0%
Most cancellations here are attributed to Weather. Shares are among 6 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 ORD → DAL
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 · 1,050 flights
- Middays74% on time · p90 35 min · 771 flights
- Afternoons68% on time · p90 55 min · 525 flights
- Evenings66% on time · p90 75 min · 643 flights
- Overnights53% on time · p90 80 min · 148 flights · limited
Best day of week
On-time rates are fairly even by day on this route — ranging from 72% to 77% on time.
- Mondays77% on time · p90 35 min · 486 flights
- Tuesdays77% on time · p90 45 min · 456 flights
- Wednesdays76% on time · p90 35 min · 455 flights
- Saturdays75% on time · p90 45 min · 320 flights
- Fridays75% on time · p90 40 min · 489 flights
- Thursdays73% on time · p90 50 min · 486 flights
- Sundays72% on time · p90 50 min · 445 flights
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