Basically what Glider said. You can pull one set of statistics and draw almost any conclusions you want to. But I see a similar pattern in North Africa. The fighting is much less intense than the BoB (though it ramps up a bit in December) but it's enough combat to get a sense of how it was going for each side. Overall the British were taking a drubbing, but the Bf 110 does not seem to shine.
Based on the stats I already transcribed for June - December 1941, we see a similar number in total loses for the Bf 109 and Bf 110
28 x Bf 109s were lost and only 26 x Bf 110.
But if you look at the number of claims and missions where they saw action (in which either a claim was made or a loss was taken) the picture looks a bit different.
Just quickly eyeballing these numbers so I could be off slightly. But by my count:
whereas the Bf 110s only saw "action" on 20 days and only made 12 claims in those 5 months.
Bf 109s saw "action" on 131 days in that 5 month period, and claimed 54 in June, 14 in July, 25 in August, 34 in September, 30 in October, 65 in November, and 112 in December - for 221 claims.
So the both the per-sortie rate for the 110s and the claim to loss rate is really bad, and for whatever reason they don't seem to have seen much air to air combat during that period.
The losses for the Bf 110s basically also represent the entire contingent. Which may be why they didn't fly that much. For example they saw action in 8 days in November, but lost 13 Bf 110s.
Here is my count:
14 June 1941 – Bf 110 lost
30 June 1941- 2 x Bf 110 lost (unit 7.ZG 26) claimed 2 fighters. 2 x Allied fighters lost
11 August 1941 – Bf 110 lost to Tomahawk
21 August 1941 2 x Bf 110 lost to Tomahawks (7 & 8 ZG.26)
14 September 1941 Bf 110 lost
15 November 1941 Bf 110 lost to Hurricanes
16 November 1941 Bf 110 lost to Tomahawks (caught on a ferry flight)
20 November 1941 5 x Bf 110 lost to Tomahawks
22 November Bf 110 lost to Flak
23 November Bf 110 lost to Hurricane
24 November 3 x Bf 110 lost to Tomahawks and Hurricanes (9.ZG 26)
25 November 3 x Bf 110 – Claimed 2 fighters out of 6 enemy claims (6 fighters were shot down)
26 November Claimed 1 fighter out of 2 (2 fighters lost)
4 December Bf 110 lost to Hurricane
8 December 3 x Bf 110 lost to Hurricanes
9 December Bf 110 lost to Tomahawks (7./ZG 26) 2 Claims, 1 verified
11 December – Claimed 1 Beaufighter (this was apparently a Blenheim)
12 December – Claimed 4 Marylands (confirmed)
13 December – Claimed 2 Blenheims (confirmed)
24 December 2 x Bf 110 lost
Based on the stats I already transcribed for June - December 1941, we see a similar number in total loses for the Bf 109 and Bf 110
28 x Bf 109s were lost and only 26 x Bf 110.
But if you look at the number of claims and missions where they saw action (in which either a claim was made or a loss was taken) the picture looks a bit different.
Just quickly eyeballing these numbers so I could be off slightly. But by my count:
whereas the Bf 110s only saw "action" on 20 days and only made 12 claims in those 5 months.
Bf 109s saw "action" on 131 days in that 5 month period, and claimed 54 in June, 14 in July, 25 in August, 34 in September, 30 in October, 65 in November, and 112 in December - for 221 claims.
So the both the per-sortie rate for the 110s and the claim to loss rate is really bad, and for whatever reason they don't seem to have seen much air to air combat during that period.
The losses for the Bf 110s basically also represent the entire contingent. Which may be why they didn't fly that much. For example they saw action in 8 days in November, but lost 13 Bf 110s.
Here is my count:
14 June 1941 – Bf 110 lost
30 June 1941- 2 x Bf 110 lost (unit 7.ZG 26) claimed 2 fighters. 2 x Allied fighters lost
11 August 1941 – Bf 110 lost to Tomahawk
21 August 1941 2 x Bf 110 lost to Tomahawks (7 & 8 ZG.26)
14 September 1941 Bf 110 lost
15 November 1941 Bf 110 lost to Hurricanes
16 November 1941 Bf 110 lost to Tomahawks (caught on a ferry flight)
20 November 1941 5 x Bf 110 lost to Tomahawks
22 November Bf 110 lost to Flak
23 November Bf 110 lost to Hurricane
24 November 3 x Bf 110 lost to Tomahawks and Hurricanes (9.ZG 26)
25 November 3 x Bf 110 – Claimed 2 fighters out of 6 enemy claims (6 fighters were shot down)
26 November Claimed 1 fighter out of 2 (2 fighters lost)
4 December Bf 110 lost to Hurricane
8 December 3 x Bf 110 lost to Hurricanes
9 December Bf 110 lost to Tomahawks (7./ZG 26) 2 Claims, 1 verified
11 December – Claimed 1 Beaufighter (this was apparently a Blenheim)
12 December – Claimed 4 Marylands (confirmed)
13 December – Claimed 2 Blenheims (confirmed)
24 December 2 x Bf 110 lost