Fleet intelligence · United Air Lines Inc. · Boeing 737-900
United Air Lines Inc. Boeing 737-900
United Air Lines Inc. reports 12 airframes of this type in its 2025 US DOT Form 41 filing — 12 in service, 0 stored. Average age 24.8 yr. Range 24.3 yr to 25.1 yr.
Fleet as reported in the 2025 US DOT Form 41 filing · Registry & ages refreshed Jul 14, 2026
- In the filing
- 1212 in service · 0 stored
- Average age
- 24.8 yr
- Age range
- 24.3–25.1Years, youngest to oldest
How old is the United Air Lines Inc. Boeing 737-900 fleet?
0–4
5–9
10–14
15–19
20–24
25–29
30+
Age is measured from each airframe's delivery date — the FAA airworthiness date where available, otherwise the manufacturer's. Bars share a fixed scale across every fleet page, so two carriers can be compared directly.
Airframes
| N31412 | 24.3 yr | Apr 14, 2002 | In service |
| N71411 | 24.5 yr | Jan 21, 2002 | In service |
| N75410 | 24.6 yr | Dec 4, 2001 | In service |
| N37409 | 24.7 yr | Nov 15, 2001 | In service |
| N37408 | 24.8 yr | Sep 28, 2001 | In service |
| N35407 | 24.8 yr | Sep 19, 2001 | In service |
| N73406 | 24.9 yr | Sep 9, 2001 | In service |
| N72405 | 24.9 yr | Aug 7, 2001 | In service |
| N32404 | 25.0 yr | Jul 17, 2001 | In service |
| N79402 | 25.0 yr | Jul 6, 2001 | In service |
| N38403 | 25.0 yr | Jul 3, 2001 | In service |
| N30401 | 25.1 yr | May 25, 2001 | In service |
- N31412In service
- Age
- 24.3 yr
- Delivered
- Apr 14, 2002
- N71411In service
- Age
- 24.5 yr
- Delivered
- Jan 21, 2002
- N75410In service
- Age
- 24.6 yr
- Delivered
- Dec 4, 2001
- N37409In service
- Age
- 24.7 yr
- Delivered
- Nov 15, 2001
- N37408In service
- Age
- 24.8 yr
- Delivered
- Sep 28, 2001
- N35407In service
- Age
- 24.8 yr
- Delivered
- Sep 19, 2001
- N73406In service
- Age
- 24.9 yr
- Delivered
- Sep 9, 2001
- N72405In service
- Age
- 24.9 yr
- Delivered
- Aug 7, 2001
- N32404In service
- Age
- 25.0 yr
- Delivered
- Jul 17, 2001
- N79402In service
- Age
- 25.0 yr
- Delivered
- Jul 6, 2001
- N38403In service
- Age
- 25.0 yr
- Delivered
- Jul 3, 2001
- N30401In service
- Age
- 25.1 yr
- Delivered
- May 25, 2001