histograms_matplotlib_seaborn.py

# Import the libraries
import matplotlib.pyplot as plt
import seaborn as sns

# matplotlib histogram
plt.hist(flights['arr_delay'], color = 'blue', edgecolor = 'black',
         bins = int(180/5))

# seaborn histogram
sns.distplot(flights['arr_delay'], hist=True, kde=False, 
             bins=int(180/5), color = 'blue',
             hist_kws={'edgecolor':'black'})
# Add labels
plt.title('Histogram of Arrival Delays')
plt.xlabel('Delay (min)')
plt.ylabel('Flights')