17421 Tirupati–Kollam Express

From Aug 2025–Aug 2026 · within 15 min counts as on time.

• Tirupati

  usually on time · 4% over an hour
  91%
• Chittoor

  typically 26 min late · 7% over an hour
  29%
• Katpadi Jn

  typically 5 min late · 4% over an hour
  85%
• Jolarpettai

  usually on time · 5% over an hour
  91%
• Salem Jn

  typically 26 min late · 7% over an hour
  29%
• Erode Jn

  typically 29 min late · 8% over an hour
  26%
• Tiruppur

  typically 31 min late · 8% over an hour
  24%
• Coimbatore Jn

  typically 21 min late · 9% over an hour
  36%
• Palakkad

  typically 18 min late · 8% over an hour
  42%
• Thrisur

  typically 23 min late · 10% over an hour
  33%
• Aluva (Alwaye)

  typically 31 min late · 12% over an hour
  24%
• Ernakulam Town

  typically 37 min late · 17% over an hour
  20%
• Kottayam

  typically 27 min late · 10% over an hour
  28%
• Changanaseri

  typically 28 min late · 11% over an hour
  27%
• Tiruvalla

  typically 28 min late · 11% over an hour
  27%
• Chengannur

  typically 29 min late · 12% over an hour
  26%
• Mavelikara

  typically 30 min late · 11% over an hour
  25%
• Kayankulam

  typically 21 min late · 10% over an hour
  36%
• Kollam Jn

  usually on time · 5% over an hour
  91%