CMH to DAL flight delays & on-time performance
Nonstop flights from John Glenn Columbus International Airport to Dallas Love Field · 919 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at CMH or DAL right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Columbus (CMH) to Dallas (DAL) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.5% were cancelled, and 5% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 5am did best (100% on time); around 4pm did worst (49%).
- Wednesday was the most reliable day to fly (88% on time) and Thursday the least (73%).
- The largest source of delay minutes was late-arriving aircraft (46%).
Which airline is most on time from CMH to DAL?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| Southwest Airlines | 80% | 1.5% | 11 min | 5.0% | 535 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am100%40 flights
- 6am91%84 flights
- 7am96%26 flights
- 8am96%29 flights
- 9am91%36 flights
- 10am89%39 flights
- 11am92%14 flights
- 1pm88%16 flights
- 2pm91%24 flights
- 3pm69%65 flights
- 4pm49%54 flights
- 5pm61%62 flights
- 6pm66%30 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday82%1.2% cancelled
- Tuesday82%1.4% cancelled
- Wednesday88%0.0% cancelled
- Thursday73%1.2% cancelled
- Friday76%1.1% cancelled
- Saturday83%1.6% cancelled
- Sunday76%3.4% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Late-arriving aircraft46%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion21%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather75%
- Airline (crew, maintenance, cleaning, fueling)25%
- Air traffic control & airport congestion0%
- Security0%
CMH to DAL: common questions
- How often are CMH to DAL flights on time?
- 80% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Columbus to Dallas cancelled?
- 1.5% of scheduled flights were cancelled (8 of 535).
- How long are typical delays?
- Across all flights the average arrival delay was 11 min (early arrivals count as zero). Flights that were late arrived 47 min behind schedule on average, and 5.0% of flights were an hour or more late.
- How long is taxi time at CMH?
- Flights on this route spent 12 min taxiing from the gate to takeoff on average.
Related routes
Return trip: DAL to CMH — 71% on time
More flights from Columbus
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: CMH → DAL, nonstop flights by US airlines that report to the DOT. How we calculate this.