Historical on-time performance
Chicago to Dallas
798 miData through Dec 2025Source: US DOT · BTS
Flights on ORD–DAL arrive on time 76% of the time over the last 12 months.
On-time rate76%arrived within 15 min
p90 delay45 min1 in 10 flights is worse (tail risk)
Cancelled1.0%of scheduled flights
based on 874 flights over the last 12 months. On-time means arriving within 15 minutes (BTS standard).
By airline
How each carrier compares
- Southwest AirlinesOn-time76%Medianon timep9045 minCancel1.0%Flights874
Why flights run late
Delay causes
- Airline24%
- Weather1%
- Air traffic (NAS)25%
- Late aircraft50%
- Security0%
Most delay minutes here are attributed to Late aircraft.
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 (2023-01 .. 2025-12).
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 · 1,183 flights
- Middays74% on time · p90 35 min · 892 flights
- Afternoons72% on time · p90 45 min · 474 flights
- Evenings65% on time · p90 70 min · 715 flights
- Overnights52% on time · p90 80 min · 278 flights
Best day of week
On-time rates are fairly even by day on this route — ranging from 71% to 78% on time.
- Mondays78% on time · p90 35 min · 553 flights
- Tuesdays78% on time · p90 40 min · 523 flights
- Saturdays76% on time · p90 45 min · 361 flights
- Fridays75% on time · p90 40 min · 551 flights
- Wednesdays74% on time · p90 40 min · 522 flights
- Thursdays72% on time · p90 50 min · 547 flights
- Sundays71% on time · p90 50 min · 485 flights
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