BWI to CMH flight delays & on-time performance
Nonstop flights from Baltimore/Washington International Thurgood Marshall Airport to John Glenn Columbus International Airport · 337 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at BWI or CMH right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Baltimore (BWI) to Columbus (CMH) arrived on time 80% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 1.5% were cancelled, and 7% arrived an hour or more late.
- Southwest Airlines is the only airline reporting nonstop flights on this route.
- Departures scheduled around 10am did best (92% on time); around 10pm did worst (64%).
- Tuesday was the most reliable day to fly (86% on time) and Sunday the least (70%).
- The largest source of delay minutes was late-arriving aircraft (57%).
Which airline is most on time from BWI to CMH?
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% | 14 min | 7.0% | 1,056 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 8am100%26 flights
- 9am92%49 flights
- 10am92%220 flights
- 11am89%65 flights
- 2pm94%18 flights
- 3pm81%86 flights
- 4pm66%73 flights
- 5pm66%109 flights
- 6pm75%44 flights
- 7pm100%18 flights
- 8pm80%93 flights
- 9pm77%99 flights
- 10pm64%143 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday80%1.3% cancelled
- Tuesday86%0.7% cancelled
- Wednesday85%1.4% cancelled
- Thursday78%0.0% cancelled
- Friday84%0.6% cancelled
- Saturday74%2.9% cancelled
- Sunday70%3.8% 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 aircraft57%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion11%
- Extreme weather1%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather69%
- Airline (crew, maintenance, cleaning, fueling)31%
- Air traffic control & airport congestion0%
- Security0%
BWI to CMH: common questions
- How often are BWI to CMH 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 Baltimore to Columbus cancelled?
- 1.5% of scheduled flights were cancelled (16 of 1,056).
- How long are typical delays?
- Across all flights the average arrival delay was 14 min (early arrivals count as zero). Flights that were late arrived 61 min behind schedule on average, and 7.0% of flights were an hour or more late.
- How long is taxi time at BWI?
- Flights on this route spent 14 min taxiing from the gate to takeoff on average.
Related routes
Return trip: CMH to BWI — 88% on time
More flights from Baltimore
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: BWI → CMH, nonstop flights by US airlines that report to the DOT. How we calculate this.