DC has second worst traffic in the country and stuff happens when you travel. I've used this company for few years, mostly for rides to airports, mostly early morning. Their drivers know the city and they have never been late. May be I'm lucky, I live in DC, north east, there is no heavy traffic in my area in the morning. I've never have problems with this company and no doubt they deserve at least one good review.
I used this cab company to go from SE DC to downtown at 5:30am. Arranged it the day before. DIspatcher was professional and repeated my address/phone back to me to ensure accuracy. Got an automated phone call 20 min. before cab arrived. Arrival was on time, even a little early. Cabbie was friendly and professional. I would definitely use Yellow Cab again.
My experience was great. I needed a cab at 4:30 AM to get to the airport just after the blizzard but with limited road access. The pick-up was on time and I got to the airport quickly. The car was clean inside and well cared for.