Which airline has the most delays ORD to BWI?

Frontier Airlines has the lowest on-time rate on the ORD to BWI route at 61%.

Which airline cancels the most flights ORD to BWI?

Frontier Airlines has the highest cancellation rate on this route at 4.8%.

Best Airline: ORD to BWI

Q: Which airline is most reliable ORD to BWI?

null is the most reliable airline on the ORD to BWI route with a 79% on-time arrival rate.

Chicago to Baltimore — airline reliability comparison

is the most reliable airline on the ORD to BWI route with a 79% on-time rate, compared to Frontier Airlines at 61%. Based on 2,048 flights tracked.

This route involves weather-prone airports and high-congestion airports, which can affect reliability regardless of airline.

Source: Bureau of Transportation Statistics. Updated October 2026.

On-Time Rate by Airline

79%

Southwest Airlines78%

United Airlines77%

Republic Airways74%

American Airlines65%

SkyWest Airlines63%

Frontier Airlines61%

ORD to BWI Airline Comparison

Airline	On-Time %	Cancel %	Avg Delay	Flights
MQBest	79%	1.5%	53m	2,048
Southwest AirlinesWN	78%	1.5%	67m	2,318
United AirlinesUA	77%	1.3%	63m	3,926
Republic AirwaysYX	74%	3.7%	77m	425
American AirlinesAA	65%	0.6%	78m	690
SkyWest AirlinesOO	63%	1.3%	71m	73
Frontier AirlinesF9Worst	61%	4.8%	72m	133

Route Overview

77%

Overall On-Time

65m

Avg Delay

1.7%

Cancel Rate

9,724

Total Flights

ORD to BWI Route Details Return: BWI to ORD

ORD Airport BWI Airport

Flying out of ORD? We'll brief you.

Delays, TSA, weather, gates — we'll let you know if something matters.

Data last updated October 2026. Source: Bureau of Transportation Statistics.