MetroFlow

İETT bus · scheduled timetable · September 2026

KM21 Bus Timetable

Sütçü Imam Caddesi – Cevizli Peronlar

Line KM21: Sütçü Imam Caddesi – Cevizli Peronlar — 97 stops. On weekdays, from Sütçü Imam Caddesi to Cevizli Peronlar the first bus leaves at 05:15 and the last at 23:50 — 60 departures a day, roughly every 20 minutes during the day. On weekdays, from Cevizli Peronlar to Sütçü Imam Caddesi the first bus leaves at 06:25 and the last at 00:40 — 60 departures a day, roughly every 15 minutes during the day.

Fare: ₺46.20 full · ₺22.55 student · tariff since 20 July 2026

Sütçü Imam Caddesi → Cevizli Peronlar Outbound

Weekdays 60 departures · first 05:15 · last 23:50 · daytime every ~20 min

0505:15 05:30 05:50
0606:10 06:10 06:25 06:40 06:55
0707:00 07:10 07:25 07:35 07:40
0808:00 08:15 08:20 08:40
0909:00 09:05 09:35
1010:10 10:15 10:20 10:40
1111:00 11:20 11:45
1212:20 12:40
1313:00 13:20 13:40
1414:00 14:40 14:40
1515:00 15:20 15:30 15:40
1616:00 16:20 16:20 16:40
1717:00 17:00 17:30 17:50
1818:00 18:30 18:40
1919:00 19:30 19:35
2020:10 20:15
2121:00 21:00 21:45
2222:35
2323:50
How often?
05–0715 min apart
07–10 morning15 min apart
10–16 midday20 min apart
16–19 evening20 min apart
19–2232 min apart

Saturday 38 departures · first 05:15 · last 23:00 · daytime every ~25 min

0505:15 05:45
0606:20 06:30
0707:15 07:50
0808:00 08:45 08:50
0909:30
1010:10 10:15
1111:00 11:20 11:45
1212:30 12:30
1313:15 13:40
1414:00 14:50
1515:10 15:45
1616:00 16:20 16:55
1717:10 17:30
1818:10 18:15
1919:00 19:30 19:45
2020:30 20:30
2121:15
2222:00
2323:00
How often?
05–0730 min apart
07–10 morning35 min apart
10–16 midday25 min apart
16–19 evening20 min apart
19–2238 min apart

Sunday 31 departures · first 05:30 · last 22:30 · daytime every ~35 min

0505:30
0606:00 06:40
0707:00 07:50
0808:00
0909:00 09:00
1010:00 10:10
1111:05 11:20
1212:10 12:30
1313:15 13:40
1414:50 14:55
1515:50
1616:00 16:45
1717:10 17:45
1818:10 18:30
1919:30 19:30
2020:30 20:30
2121:30
2222:30
How often?
05–0735 min apart
07–10 morning50 min apart
10–16 midday35 min apart
16–19 evening25 min apart
19–2260 min apart

Cevizli Peronlar → Sütçü Imam Caddesi Return

Weekdays 60 departures · first 06:25 · last 00:40 · daytime every ~15 min

0606:25 06:30 06:55
0707:10 07:20 07:30 07:45
0808:00 08:05 08:15 08:30 08:45 08:55
0909:00 09:15 09:20 09:30 09:40
1010:00 10:10 10:45
1111:15 11:30 11:50
1212:15 12:30
1313:00 13:30 13:45
1414:10 14:30
1515:00 15:15 15:50
1616:00 16:20 16:40 16:40
1717:00 17:20 17:30 17:40
1818:00 18:10 18:25 18:50
1919:00 19:15 19:45 19:50
2020:15 20:40 20:45
2121:15 21:20
2222:00 22:05
2323:00
0000:00 00:40
How often?
05–0715 min apart
07–10 morning10 min apart
10–16 midday25 min apart
16–19 evening20 min apart
19–2220 min apart
22–05 night48 min apart

Saturday 38 departures · first 06:40 · last 23:40 · daytime every ~30 min

0606:40 06:45
0707:30 07:40
0808:15
0909:00 09:00 09:45
1010:10 10:30
1111:15 11:20
1212:00 12:30 12:45
1313:30 13:40
1414:15 14:40
1515:00 15:45
1616:00 16:30
1717:10 17:10 17:50
1818:20 18:30
1919:10 19:20 19:50
2020:30 20:30
2121:15 21:30
2222:00 22:50
2323:40
How often?
07–10 morning40 min apart
10–16 midday28 min apart
16–19 evening30 min apart
19–2230 min apart
22–05 night50 min apart

Sunday 31 departures · first 06:40 · last 00:10 · daytime every ~32 min

0606:40
0707:00 07:40
0808:00
0909:00 09:00
1010:00 10:10
1111:05 11:20
1212:15 12:30
1313:25 13:40
1414:35 14:40
1616:00 16:30
1717:10 17:15
1818:00 18:20 18:45
1919:20 19:45
2020:30 20:45
2121:30 21:45
2323:00
0000:10
How often?
07–10 morning40 min apart
10–16 midday15 min apart
16–19 evening28 min apart
19–2225 min apart

KM21 stops

97 stops, in the order published by İETT.

Cevizli Peronlar → Sütçü Imam Caddesi 49

  1. Cevizli Peronlar
  2. Esenkent Metro
  3. Dr. Lütfi Kırdar Şehir Hastanesi - Cevizli Köprüsü
  4. Anadolu Adalet Sarayı
  5. Ibb Ek Hizmet Binası
  6. Soğanlık Metro
  7. Kartal Sanayi
  8. Ağız ve Diş Sağlığı Merkezi
  9. Kartal Bölge Trafik
  10. Kartal Köprüsü
  11. Kartal Köprüsü
  12. Kartal Caddesi
  13. Ihsan Zakiroğlu Ortaokulu
  14. Yakacık Yolu
  15. Yakacık Spor
  16. Karaca Sokak
  17. Turna Sokak
  18. Lider Sokak
  19. Alev Sokak
  20. Mimarlar Sitesi
  21. Yurt Sitesi
  22. Vatansever Caddesi
  23. Kartal Cezaevi
  24. Gül Sokak
  25. Velibaba Yeni Camii
  26. Velibaba Mahallesi
  27. Velibaba Ilkokulu
  28. Hacı Abdurrahman Cansu Camii
  29. Kiptaş Konutları
  30. Çiçek Dağı
  31. Aydos Caddesi
  32. Aydos Aile Sağlığı Merkezi
  33. Pazar Yeri
  34. Üçyol Ağzı
  35. Battalgazi Camii
  36. Battalgazi
  37. Piri Reis
  38. Mevlana Caddesi
  39. Fatma Gözen Eralp Ilkokulu
  40. Şehit Burhan Öner
  41. Gülfidan Sokak
  42. Molla Gürani Camii
  43. Hayati Üstün Caddesi
  44. Hilal Konutları
  45. Üstün Caddesi
  46. 700.Yıl Ortaokulu
  47. Lise Caddesi
  48. Kartal Sokak
  49. Sütçü Imam Caddesi

Sütçü Imam Caddesi → Cevizli Peronlar 48

  1. Kartal Sokak
  2. Lise Caddesi
  3. 700.Yıl Ortaokulu
  4. Kurtköy Anadolu Lisesi
  5. Üstün Caddesi
  6. Hilal Konutları
  7. Hayati Üstün Caddesi
  8. Molla Gürani Camii
  9. Gülfidan Sokak
  10. Şehit Burhan Öner
  11. Fatma Gözen Eralp Ilkokulu
  12. Mevlana Caddesi
  13. Piri Reis
  14. Battalgazi
  15. Battalgazi Camii
  16. Üçyol Ağzı
  17. Pazar Yeri
  18. Aydos Aile Sağlığı Merkezi
  19. Aydos Caddesi
  20. Çiçek Dağı
  21. Kiptaş Konutları
  22. Hacı Abdurrahman Cansu Camii
  23. Velibaba Ilkokulu
  24. Velibaba Mahallesi
  25. Gül Sokak
  26. Kartal Cezaevi
  27. Vatansever Caddesi
  28. Yurt Sitesi
  29. Mimarlar Sitesi
  30. Alev Sokak
  31. Lider Sokak
  32. Turna Sokak
  33. Karaca Sokak
  34. Yakacık Spor
  35. Yakacık Yolu
  36. Ihsan Zakiroğlu Ortaokulu
  37. Kartal Caddesi
  38. Alicanoğlu
  39. Marifet Sokak
  40. Kartal Köprüsü-E5 Soğanlık Kuzey Yanyol
  41. Kartal Bölge Trafik
  42. Ağız ve Diş Sağlığı Merkezi
  43. Kartal Sanayi
  44. Soğanlık Metro
  45. Ibb Ek Hizmet Binası
  46. Anadolu Adalet Sarayı
  47. Dr. Lütfi Kırdar Şehir Hastanesi
  48. Tugay Yolu Caddesi

Frequently asked

What time is the first KM21 bus?

On weekdays the first bus leaves Sütçü Imam Caddesi at 05:15.

What time is the last KM21 bus?

On weekdays the last bus leaves at 23:50.

How often does the KM21 run?

Roughly every 20 minutes during the day on weekdays. By time band: 05–07 every 15 min; 07–10 morning every 15 min; 10–16 midday every 20 min; 16–19 evening every 20 min; 19–22 every 32 min. This is the planned frequency; check the live position for traffic delays.

Which stops does the KM21 serve?

49 stops towards Cevizli Peronlar: Cevizli Peronlar, Esenkent Metro, Dr. Lütfi Kırdar Şehir Hastanesi - Cevizli Köprüsü, Anadolu Adalet Sarayı, Ibb Ek Hizmet Binası, Soğanlık Metro, Kartal Sanayi, Ağız ve Diş Sağlığı Merkezi, Kartal Bölge Trafik, Kartal Köprüsü, Kartal Köprüsü, Kartal Caddesi, Ihsan Zakiroğlu Ortaokulu, Yakacık Yolu…. Full list above.

Where does the KM21 go?

It runs between Sütçü Imam Caddesi and Cevizli Peronlar (Sütçü Imam Caddesi – Cevizli Peronlar). Both directions are above.

Related lines

Source: the planned timetable published by İETT, re-read by MetroFlow weekly. The data on this page last changed on . Public holidays run the Sunday timetable; İETT announces short-notice changes in its own notices.